{"id":30505,"date":"2025-08-30T12:50:03","date_gmt":"2025-08-30T05:50:03","guid":{"rendered":"https:\/\/dps.media\/check-ip-website-online-cach-tra-cuu-ip-site-url-chinh-xac\/"},"modified":"2025-08-30T12:50:13","modified_gmt":"2025-08-30T05:50:13","slug":"check-ip-website-online-accurate-method-to-check-ip-site-url","status":"publish","type":"post","link":"https:\/\/dps.media\/en\/check-ip-website-online-accurate-method-to-check-ip-site-url\/","title":{"rendered":"Check IP Website Online: How to look up site IP, accurate URL"},"content":{"rendered":"<?xml encoding=\"utf-8\" ?><p><!-- DNS Bulk Lookup Widget - DPS.MEDIA Branded v\u1edbi CSS Isolated -->\r\n<\/p><div id=\"dnsBulkWidget\"><\/div><script>\r\n(function(){\r\n  const root = document.getElementById('dnsBulkWidget');\r\n  if (!root) return;\r\n\r\n  const POPULAR = ['A','CNAME','MX','NS','TXT'];\r\n  const RECORDS = ['ALL', ...POPULAR];\r\n  const TYPE_CODE = { A:1, CNAME:5, MX:15, NS:2, TXT:16 };\r\n\r\n  \/\/ T\u1ea1o CSS c\u00f4 l\u1eadp v\u1edbi prefix\r\n  const widgetStyles = `\r\n    #dnsBulkWidget {\r\n      all: initial !important;\r\n      font-family: system-ui, -apple-system, \"Segoe UI\", Roboto, Arial, sans-serif !important;\r\n    }\r\n    \r\n    #dnsBulkWidget *,\r\n    #dnsBulkWidget *::before,\r\n    #dnsBulkWidget *::after {\r\n      box-sizing: border-box !important;\r\n      margin: 0 !important;\r\n      padding: 0 !important;\r\n      border: none !important;\r\n      background: none !important;\r\n      outline: none !important;\r\n      text-decoration: none !important;\r\n      list-style: none !important;\r\n      font: inherit !important;\r\n      color: inherit !important;\r\n      vertical-align: baseline !important;\r\n      line-height: normal !important;\r\n    }\r\n\r\n    \/* Container ch\u00ednh *\/\r\n    #dnsBulkWidget .dns-container {\r\n      max-width: 1000px !important;\r\n      margin: 24px auto !important;\r\n      padding: 0 !important;\r\n      border: 1px solid #e5e7eb !important;\r\n      border-radius: 16px !important;\r\n      font-family: system-ui, -apple-system, \"Segoe UI\", Roboto, Arial, sans-serif !important;\r\n      overflow: hidden !important;\r\n      box-shadow: 0 10px 25px -5px rgba(21,21,119,0.1), 0 4px 6px -2px rgba(21,21,119,0.05) !important;\r\n      background: #ffffff !important;\r\n    }\r\n\r\n    \/* Header *\/\r\n    #dnsBulkWidget .dns-header {\r\n      background: linear-gradient(135deg, #151577 0%, #1e1e7a 100%) !important;\r\n      padding: 20px !important;\r\n      color: white !important;\r\n      position: relative !important;\r\n      overflow: hidden !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-header-bg1 {\r\n      position: absolute !important;\r\n      top: -20px !important;\r\n      right: -20px !important;\r\n      width: 100px !important;\r\n      height: 100px !important;\r\n      background: rgba(255,255,255,0.05) !important;\r\n      border-radius: 50% !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-header-bg2 {\r\n      position: absolute !important;\r\n      bottom: -30px !important;\r\n      left: -30px !important;\r\n      width: 80px !important;\r\n      height: 80px !important;\r\n      background: rgba(50,181,97,0.15) !important;\r\n      border-radius: 50% !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-header-content {\r\n      position: relative !important;\r\n      z-index: 1 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-header-top {\r\n      display: flex !important;\r\n      align-items: center !important;\r\n      justify-content: space-between !important;\r\n      margin-bottom: 8px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-header-left {\r\n      display: flex !important;\r\n      align-items: center !important;\r\n      gap: 12px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-icon {\r\n      width: 40px !important;\r\n      height: 40px !important;\r\n      background: linear-gradient(135deg, #32b561, #28a555) !important;\r\n      border-radius: 12px !important;\r\n      display: flex !important;\r\n      align-items: center !important;\r\n      justify-content: center !important;\r\n      font-size: 20px !important;\r\n      font-weight: bold !important;\r\n      color: white !important;\r\n      box-shadow: 0 4px 8px rgba(50,181,97,0.3) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-title {\r\n      margin: 0 !important;\r\n      font-size: 20px !important;\r\n      font-weight: 700 !important;\r\n      letter-spacing: -0.5px !important;\r\n      color: #fff !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-subtitle {\r\n      margin: 0 !important;\r\n      font-size: 13px !important;\r\n      opacity: 0.8 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-brand {\r\n      text-align: right !important;\r\n      font-size: 12px !important;\r\n      opacity: 0.7 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-brand-name {\r\n      font-weight: 600 !important;\r\n      color: #32b561 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-desc {\r\n      margin: 0 !important;\r\n      font-size: 13px !important;\r\n      opacity: 0.9 !important;\r\n      line-height: 1.4 !important;\r\n    }\r\n\r\n    \/* Main Content *\/\r\n    #dnsBulkWidget .dns-main {\r\n      padding: 20px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-main-layout {\r\n      display: flex !important;\r\n      flex-direction: column !important;\r\n      gap: 16px !important;\r\n      margin-bottom: 16px !important;\r\n    }\r\n\r\n    \/* Input Section *\/\r\n    #dnsBulkWidget .dns-input-section {\r\n      position: relative !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-textarea {\r\n      width: 100% !important;\r\n      padding: 12px !important;\r\n      border: 2px solid #e5e7eb !important;\r\n      border-radius: 12px !important;\r\n      resize: vertical !important;\r\n      font-family: monospace !important;\r\n      font-size: 13px !important;\r\n      box-sizing: border-box !important;\r\n      transition: border-color 0.3s !important;\r\n      background: #fafbfc !important;\r\n      color: #374151 !important;\r\n      min-height: 120px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-textarea:focus {\r\n      outline: none !important;\r\n      border-color: #151577 !important;\r\n      box-shadow: 0 0 0 3px rgba(21,21,119,0.1) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-count {\r\n      position: absolute !important;\r\n      top: 8px !important;\r\n      right: 12px !important;\r\n      background: rgba(21,21,119,0.9) !important;\r\n      color: white !important;\r\n      padding: 4px 8px !important;\r\n      border-radius: 6px !important;\r\n      font-size: 11px !important;\r\n      font-weight: 500 !important;\r\n    }\r\n\r\n    \/* Controls *\/\r\n    #dnsBulkWidget .dns-controls {\r\n      display: flex !important;\r\n      flex-direction: column !important;\r\n      gap: 12px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-label {\r\n      display: block !important;\r\n      font-size: 13px !important;\r\n      font-weight: 600 !important;\r\n      color: #151577 !important;\r\n      margin-bottom: 8px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-types {\r\n      display: flex !important;\r\n      flex-wrap: wrap !important;\r\n      gap: 6px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-type-btn {\r\n      padding: 8px 14px !important;\r\n      border: 1px solid #cbd5e1 !important;\r\n      border-radius: 10px !important;\r\n      background: #fff !important;\r\n      cursor: pointer !important;\r\n      font-size: 12px !important;\r\n      font-weight: 500 !important;\r\n      transition: all 0.3s !important;\r\n      color: #374151 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-type-btn:hover {\r\n      border-color: #151577 !important;\r\n      color: #151577 !important;\r\n      transform: translateY(-1px) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-type-btn.active {\r\n      background: linear-gradient(135deg, #151577, #1e1e7a) !important;\r\n      color: #fff !important;\r\n      border-color: #151577 !important;\r\n      box-shadow: 0 4px 12px rgba(21,21,119,0.25) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-type-btn.active:hover {\r\n      color: #fff !important;\r\n      transform: translateY(-1px) !important;\r\n    }\r\n\r\n    \/* Actions *\/\r\n    #dnsBulkWidget .dns-actions {\r\n      display: flex !important;\r\n      flex-wrap: wrap !important;\r\n      gap: 12px !important;\r\n      align-items: end !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-delay-section {\r\n      flex: 1 !important;\r\n      min-width: 140px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-delay-label {\r\n      display: block !important;\r\n      font-size: 12px !important;\r\n      color: #151577 !important;\r\n      font-weight: 500 !important;\r\n      margin-bottom: 4px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-delay-input-group {\r\n      display: flex !important;\r\n      align-items: center !important;\r\n      gap: 6px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-delay-input {\r\n      width: 70px !important;\r\n      padding: 6px 8px !important;\r\n      border: 1px solid #cbd5e1 !important;\r\n      border-radius: 8px !important;\r\n      font-size: 12px !important;\r\n      transition: border-color 0.3s !important;\r\n      background: #fff !important;\r\n      color: #374151 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-delay-input:focus {\r\n      outline: none !important;\r\n      border-color: #151577 !important;\r\n      box-shadow: 0 0 0 3px rgba(21,21,119,0.1) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-delay-unit {\r\n      font-size: 12px !important;\r\n      color: #64748b !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-action-buttons {\r\n      display: flex !important;\r\n      gap: 8px !important;\r\n      flex-wrap: wrap !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn {\r\n      padding: 12px 20px !important;\r\n      border: none !important;\r\n      border-radius: 10px !important;\r\n      cursor: pointer !important;\r\n      font-weight: 600 !important;\r\n      font-size: 13px !important;\r\n      white-space: nowrap !important;\r\n      transition: all 0.3s !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn-primary {\r\n      background: linear-gradient(135deg, #151577, #1e1e7a) !important;\r\n      color: #fff !important;\r\n      box-shadow: 0 4px 12px rgba(21,21,119,0.3) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn-primary:hover {\r\n      transform: translateY(-1px) !important;\r\n      box-shadow: 0 6px 20px rgba(21,21,119,0.4) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn-secondary {\r\n      border: 2px solid #dc2626 !important;\r\n      background: #fff !important;\r\n      color: #dc2626 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn:disabled {\r\n      background: #6b7280 !important;\r\n      cursor: not-allowed !important;\r\n      box-shadow: none !important;\r\n      transform: none !important;\r\n    }\r\n\r\n    \/* Status Bar *\/\r\n    #dnsBulkWidget .dns-status-bar {\r\n      display: flex !important;\r\n      gap: 10px !important;\r\n      flex-wrap: wrap !important;\r\n      align-items: center !important;\r\n      margin-bottom: 16px !important;\r\n      padding: 12px !important;\r\n      background: linear-gradient(90deg, #f8fafc, #f1f5f9) !important;\r\n      border-radius: 12px !important;\r\n      border: 1px solid #e2e8f0 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn-small {\r\n      padding: 8px 14px !important;\r\n      border-radius: 8px !important;\r\n      cursor: pointer !important;\r\n      font-size: 12px !important;\r\n      font-weight: 500 !important;\r\n      transition: all 0.3s !important;\r\n      background: #fff !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn-copy {\r\n      border: 1px solid #32b561 !important;\r\n      color: #32b561 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn-copy:not(:disabled):hover {\r\n      background: #32b561 !important;\r\n      color: white !important;\r\n      transform: translateY(-1px) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn-copy.success {\r\n      background: linear-gradient(135deg, #32b561, #28a555) !important;\r\n      color: #fff !important;\r\n      border-color: #32b561 !important;\r\n      box-shadow: 0 4px 12px rgba(50,181,97,0.3) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn-clear {\r\n      border: 1px solid #cbd5e1 !important;\r\n      color: #374151 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-btn-clear:hover {\r\n      border-color: #151577 !important;\r\n      color: #151577 !important;\r\n      transform: translateY(-1px) !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-status-right {\r\n      flex: 1 !important;\r\n      min-width: 120px !important;\r\n      display: flex !important;\r\n      align-items: center !important;\r\n      justify-content: end !important;\r\n      gap: 12px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-progress {\r\n      display: none !important;\r\n      background: #e2e8f0 !important;\r\n      border-radius: 10px !important;\r\n      height: 8px !important;\r\n      width: 120px !important;\r\n      overflow: hidden !important;\r\n      min-width: 80px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-progress-bar {\r\n      height: 100% !important;\r\n      background: linear-gradient(90deg, #151577, #32b561) !important;\r\n      width: 0% !important;\r\n      transition: width 0.3s !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-status {\r\n      font-size: 12px !important;\r\n      color: #151577 !important;\r\n      font-weight: 600 !important;\r\n      text-align: right !important;\r\n    }\r\n\r\n    \/* Error Display *\/\r\n    #dnsBulkWidget .dns-error {\r\n      display: none !important;\r\n      background: linear-gradient(135deg, #fef2f2, #fee2e2) !important;\r\n      border: 2px solid #fca5a5 !important;\r\n      color: #991b1b !important;\r\n      padding: 12px !important;\r\n      border-radius: 12px !important;\r\n      margin-bottom: 12px !important;\r\n      align-items: center !important;\r\n      gap: 10px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-error-icon {\r\n      font-size: 18px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-error-text {\r\n      font-weight: 500 !important;\r\n    }\r\n\r\n    \/* Results *\/\r\n    #dnsBulkWidget .dns-results {\r\n      overflow: auto !important;\r\n      max-height: 60vh !important;\r\n      border: 2px solid #e5e7eb !important;\r\n      border-radius: 12px !important;\r\n      background: #fafafa !important;\r\n      min-height: 120px !important;\r\n      display: flex !important;\r\n      align-items: center !important;\r\n      justify-content: center !important;\r\n      color: #64748b !important;\r\n      font-style: italic !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-empty-state {\r\n      text-align: center !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-empty-icon {\r\n      font-size: 32px !important;\r\n      margin-bottom: 8px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-empty-text {\r\n      margin-bottom: 4px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-empty-subtext {\r\n      font-size: 11px !important;\r\n      color: #9ca3af !important;\r\n    }\r\n\r\n    \/* Table - Tr\u00e1nh d\u00f9ng th, td g\u1ed1c *\/\r\n    #dnsBulkWidget .dns-table {\r\n      width: 100% !important;\r\n      border-collapse: collapse !important;\r\n      font-size: 12px !important;\r\n      background: #fff !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table thead {\r\n      position: sticky !important;\r\n      top: 0 !important;\r\n      background: linear-gradient(135deg, #151577, #1e1e7a) !important;\r\n      z-index: 1 !important;\r\n      color: white !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-header {\r\n      padding: 12px 15px !important;\r\n      font-weight: 600 !important;\r\n      font-size: 12px !important;\r\n      text-align: left !important;\r\n      background: inherit !important;\r\n      color: inherit !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-header.center {\r\n      text-align: center !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table tbody .dns-table-row:nth-child(even) {\r\n      background: #f8fafc !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table tbody .dns-table-row:nth-child(odd) {\r\n      background: #ffffff !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-cell {\r\n      padding: 10px 15px !important;\r\n      border-bottom: 1px solid #f1f5f9 !important;\r\n      font-size: 12px !important;\r\n      word-break: break-all !important;\r\n      background: inherit !important;\r\n      color: inherit !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-cell.center {\r\n      text-align: center !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-cell.type {\r\n      font-weight: 600 !important;\r\n      color: #151577 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-cell.name {\r\n      font-family: monospace !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-cell.ttl {\r\n      font-family: monospace !important;\r\n      color: #32b561 !important;\r\n      font-weight: 500 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-header-row {\r\n      display: flex !important;\r\n      background: linear-gradient(135deg, #151577, #1e1e7a) !important;\r\n      color: white !important;\r\n      position: sticky !important;\r\n      top: 0 !important;\r\n      z-index: 1 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-row {\r\n      display: flex !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-header:nth-child(1),\r\n    #dnsBulkWidget .dns-table-cell:nth-child(1) {\r\n      flex: 2 !important;\r\n      min-width: 120px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-header:nth-child(2),\r\n    #dnsBulkWidget .dns-table-cell:nth-child(2) {\r\n      flex: 0 0 80px !important;\r\n      text-align: center !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-header:nth-child(3),\r\n    #dnsBulkWidget .dns-table-cell:nth-child(3) {\r\n      flex: 1.5 !important;\r\n      min-width: 100px !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-header:nth-child(4),\r\n    #dnsBulkWidget .dns-table-cell:nth-child(4) {\r\n      flex: 0 0 60px !important;\r\n      text-align: center !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-table-header:nth-child(5),\r\n    #dnsBulkWidget .dns-table-cell:nth-child(5) {\r\n      flex: 2.5 !important;\r\n      min-width: 150px !important;\r\n    }\r\n\r\n    \/* Footer *\/\r\n    #dnsBulkWidget .dns-footer {\r\n      background: linear-gradient(135deg, #f8fafc, #f1f5f9) !important;\r\n      padding: 12px 20px !important;\r\n      border-top: 1px solid #e2e8f0 !important;\r\n      text-align: center !important;\r\n      font-size: 11px !important;\r\n      color: #64748b !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-footer-content {\r\n      display: flex !important;\r\n      align-items: center !important;\r\n      justify-content: center !important;\r\n      gap: 8px !important;\r\n      flex-wrap: wrap !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-footer-brand {\r\n      color: #151577 !important;\r\n      font-weight: 700 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-footer-link {\r\n      color: #32b561 !important;\r\n      text-decoration: none !important;\r\n      font-weight: 600 !important;\r\n    }\r\n\r\n    #dnsBulkWidget .dns-footer-link:hover {\r\n      text-decoration: underline !important;\r\n    }\r\n\r\n    \/* Mobile Responsive *\/\r\n    @media (min-width: 768px) {\r\n      #dnsBulkWidget .dns-main-layout {\r\n        display: grid !important;\r\n        grid-template-columns: 1fr 320px !important;\r\n        gap: 20px !important;\r\n      }\r\n      \r\n      #dnsBulkWidget .dns-actions {\r\n        flex-direction: column !important;\r\n        align-items: stretch !important;\r\n      }\r\n      \r\n      #dnsBulkWidget .dns-action-buttons {\r\n        display: flex !important;\r\n        flex-direction: column !important;\r\n        gap: 10px !important;\r\n      }\r\n      \r\n      #dnsBulkWidget .dns-textarea {\r\n        min-height: 160px !important;\r\n      }\r\n    }\r\n    \r\n    @media (max-width: 767px) {\r\n      #dnsBulkWidget .dns-actions {\r\n        flex-direction: column !important;\r\n      }\r\n      \r\n      #dnsBulkWidget .dns-action-buttons {\r\n        width: 100% !important;\r\n      }\r\n      \r\n      #dnsBulkWidget .dns-btn {\r\n        flex: 1 !important;\r\n      }\r\n      \r\n      #dnsBulkWidget .dns-types {\r\n        justify-content: center !important;\r\n      }\r\n\r\n      #dnsBulkWidget .dns-table-header.mobile-hidden,\r\n      #dnsBulkWidget .dns-table-cell.mobile-hidden {\r\n        display: none !important;\r\n      }\r\n\r\n      #dnsBulkWidget .dns-table-header,\r\n      #dnsBulkWidget .dns-table-cell {\r\n        padding: 8px 6px !important;\r\n        font-size: 11px !important;\r\n      }\r\n    }\r\n  `;\r\n\r\n  \/\/ Th\u00eam CSS v\u00e0o head\r\n  const styleEl = document.createElement('style');\r\n  styleEl.textContent = widgetStyles;\r\n  document.head.appendChild(styleEl);\r\n\r\n  root.innerHTML = `\r\n  <div class=\"dns-container\">\r\n    \r\n    <!-- DPS.MEDIA Header -->\r\n    <div class=\"dns-header\">\r\n      <div class=\"dns-header-bg1\">\r\n      <div class=\"dns-header-bg2\">\r\n      <div class=\"dns-header-content\">\r\n        <div class=\"dns-header-top\">\r\n          <div class=\"dns-header-left\">\r\n            <div class=\"dns-icon\">\ud83d\udd0d\r\n            <div>\r\n              <div class=\"dns-title\">Tra C\u1ee9u DNS H\u00e0ng Lo\u1ea1t\r\n              <div class=\"dns-subtitle\">C\u00f4ng c\u1ee5 chuy\u00ean nghi\u1ec7p t\u1eeb DPS.MEDIA\r\n            \r\n          \r\n          <div class=\"dns-brand\">\r\n            <div class=\"dns-brand-name\">DPS.MEDIA\r\n            <div>Digital Tools\r\n          \r\n        \r\n        <div class=\"dns-desc\">Nh\u1eadp m\u1ed7i t\u00ean mi\u1ec1n m\u1ed9t d\u00f2ng (c\u00f3 th\u1ec3 d\u00e1n URL). Ch\u1ecdn lo\u1ea1i b\u1ea3n ghi ho\u1eb7c \"T\u1ea4T C\u1ea2\" \u0111\u1ec3 tra 5 lo\u1ea1i ph\u1ed5 bi\u1ebfn.\r\n      \r\n    \r\n\r\n    <!-- Main Content -->\r\n    <div class=\"dns-main\">\r\n      <!-- Mobile\/Desktop Layout -->\r\n      <div class=\"dns-main-layout\">\r\n        \r\n        <!-- Input Section -->\r\n        <div class=\"dns-input-section\">\r\n          <textarea id=\"dns-lines\" class=\"dns-textarea\" rows=\"6\" placeholder=\"dps.media\nexample.com\nhttps:\/\/sub.domain.com\/\">\r\n          <div id=\"dns-count\" class=\"dns-count\">0 t\u00ean mi\u1ec1n\r\n        \r\n        \r\n        <!-- Controls Section -->\r\n        <div class=\"dns-controls\">\r\n          \r\n          <!-- Record Types -->\r\n          <div>\r\n            <div class=\"dns-label\">Lo\u1ea1i B\u1ea3n Ghi:\r\n            <div id=\"dns-types\" class=\"dns-types\">\r\n          \r\n          \r\n          <!-- Settings & Buttons Row -->\r\n          <div class=\"dns-actions\">\r\n            \r\n            <!-- Delay Setting -->\r\n            <div class=\"dns-delay-section\">\r\n              <div class=\"dns-delay-label\">\u0110\u1ed9 tr\u1ec5 gi\u1eefa c\u00e1c request:\r\n              <div class=\"dns-delay-input-group\">\r\n                <input id=\"dns-delay\" type=\"number\" min=\"50\" step=\"10\" value=\"120\" class=\"dns-delay-input\"> \r\n                <span class=\"dns-delay-unit\">ms\r\n              \r\n            \r\n            \r\n            <!-- Action Buttons -->\r\n            <div class=\"dns-action-buttons\">\r\n              <button id=\"dns-run\" class=\"dns-btn dns-btn-primary\">\r\n                <span id=\"run-text\">\ud83d\ude80 B\u1eaft \u0110\u1ea7u\r\n              \r\n              <button id=\"dns-stop\" class=\"dns-btn dns-btn-secondary\" style=\"display:none\">\r\n                \u23f9\ufe0f D\u1eebng\r\n              \r\n            \r\n          \r\n        \r\n      \r\n\r\n      <!-- Status & Actions Bar -->\r\n      <div class=\"dns-status-bar\">\r\n        <button id=\"dns-copy-table\" class=\"dns-btn-small dns-btn-copy\" disabled>\r\n          \ud83d\udccb Sao Ch\u00e9p\r\n        \r\n        <button id=\"dns-clear\" class=\"dns-btn-small dns-btn-clear\">\r\n          \ud83d\uddd1\ufe0f X\u00f3a\r\n        \r\n        \r\n        <!-- Progress Bar -->\r\n        <div class=\"dns-status-right\">\r\n          <div id=\"dns-progress\" class=\"dns-progress\">\r\n            <div id=\"dns-progress-bar\" class=\"dns-progress-bar\">\r\n          \r\n          <div id=\"dns-status\" class=\"dns-status\">\r\n        \r\n      \r\n\r\n      <!-- Error Display -->\r\n      <div id=\"dns-error\" class=\"dns-error\">\r\n        <span class=\"dns-error-icon\">\u26a0\ufe0f\r\n        <span id=\"dns-error-text\" class=\"dns-error-text\">\r\n      \r\n\r\n      <!-- Results Table -->\r\n      <div id=\"dns-results\" class=\"dns-results\">\r\n        <div class=\"dns-empty-state\">\r\n          <div class=\"dns-empty-icon\">\ud83d\udcca\r\n          <div class=\"dns-empty-text\">S\u1eb5n s\u00e0ng tra c\u1ee9u b\u1ea3n ghi DNS...\r\n          <div class=\"dns-empty-subtext\">\u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi DPS.MEDIA\r\n        \r\n      \r\n    \r\n\r\n    <!-- Footer -->\r\n    <div class=\"dns-footer\">\r\n      <div class=\"dns-footer-content\">\r\n        <span>Ph\u00e1t tri\u1ec3n b\u1edfi\r\n        <strong class=\"dns-footer-brand\">DPS.MEDIA\r\n        <span>\u2022\r\n        <span>C\u00f4ng c\u1ee5 s\u1ed1 chuy\u00ean nghi\u1ec7p\r\n        <span>\u2022\r\n        <a href=\"https:\/\/dps.media\" target=\"_blank\" class=\"dns-footer-link\">dps.media\r\n      \r\n    \r\n  `;\r\n\r\n  const ta = root.querySelector('#dns-lines');\r\n  const btnRun = root.querySelector('#dns-run');\r\n  const btnStop = root.querySelector('#dns-stop');\r\n  const btnClear = root.querySelector('#dns-clear');\r\n  const typesWrap = root.querySelector('#dns-types');\r\n  const statusEl = root.querySelector('#dns-status');\r\n  const errorEl = root.querySelector('#dns-error');\r\n  const errorTextEl = root.querySelector('#dns-error-text');\r\n  const resultsEl = root.querySelector('#dns-results');\r\n  const delayInput = root.querySelector('#dns-delay');\r\n  const btnCopy = root.querySelector('#dns-copy-table');\r\n  const countEl = root.querySelector('#dns-count');\r\n  const progressEl = root.querySelector('#dns-progress');\r\n  const progressBarEl = root.querySelector('#dns-progress-bar');\r\n  const runTextEl = root.querySelector('#run-text');\r\n\r\n  \/\/ Type pills v\u1edbi DPS branding\r\n  const TYPE_LABELS = {\r\n    'ALL': 'T\u1ea4T C\u1ea2',\r\n    'A': 'A', \r\n    'CNAME': 'CNAME',\r\n    'MX': 'MX',\r\n    'NS': 'NS',\r\n    'TXT': 'TXT'\r\n  };\r\n\r\n  let activeType = 'A';\r\n  RECORDS.forEach(t => {\r\n    const b = document.createElement('button');\r\n    b.textContent = TYPE_LABELS[t] || t;\r\n    b.className = 'dns-type-btn';\r\n    if (t === activeType) {\r\n      b.classList.add('active');\r\n    }\r\n    \r\n    b.addEventListener('click',()=>{\r\n      if (isRunning) return;\r\n      activeType = t;\r\n      [...typesWrap.children].forEach(c => c.classList.remove('active'));\r\n      b.classList.add('active');\r\n    });\r\n    typesWrap.appendChild(b);\r\n  });\r\n\r\n  \/\/ Domain count tracker v\u1edbi DPS colors\r\n  function updateDomainCount() {\r\n    const domains = ta.value.split(\/\\r?\\n\/)\r\n      .map(s=>extractHostname(s))\r\n      .filter(Boolean);\r\n    countEl.textContent = `${domains.length} t\u00ean mi\u1ec1n`;\r\n    \r\n    if (domains.length > 100) {\r\n      countEl.style.background = 'rgba(220,38,38,0.9) !important';\r\n      countEl.style.color = 'white !important';\r\n    } else if (domains.length > 50) {\r\n      countEl.style.background = 'rgba(245,158,11,0.9) !important';\r\n      countEl.style.color = 'white !important';\r\n    } else if (domains.length > 0) {\r\n      countEl.style.background = 'rgba(50,181,97,0.9) !important';\r\n      countEl.style.color = 'white !important';\r\n    } else {\r\n      countEl.style.background = 'rgba(21,21,119,0.9) !important';\r\n      countEl.style.color = 'white !important';\r\n    }\r\n  }\r\n\r\n  ta.addEventListener('input', updateDomainCount);\r\n  updateDomainCount();\r\n\r\n  function clampDelay(){\r\n    let v = Number(delayInput.value || 0);\r\n    if (!Number.isFinite(v) || v < 50){\r\n      v = 50;\r\n      delayInput.value = String(v);\r\n      setStatus('\u26a0\ufe0f \u0110\u1ed9 tr\u1ec5 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ed1i thi\u1ec3u: 50ms');\r\n    }\r\n    return v;\r\n  }\r\n  delayInput.addEventListener('input', clampDelay);\r\n  delayInput.addEventListener('blur', clampDelay);\r\n  delayInput.addEventListener('keydown', (e)=>{\r\n    if (e.key === '-') e.preventDefault();\r\n  });\r\n\r\n  function extractHostname(input){\r\n    if(!input) return '';\r\n    try{ return new URL(input).hostname.replace(\/\\.$\/,''); }\r\n    catch(e){ return String(input).trim().replace(\/^https?:\\\/\\\/\/i,'').replace(\/^\\\/*\/,'').split('\/')[0].split('?')[0].replace(\/\\.$\/,''); }\r\n  }\r\n\r\n  function sleep(ms){ return new Promise(r=>setTimeout(r, ms)); }\r\n\r\n  function clearError(){ \r\n    errorEl.style.display='none'; \r\n    errorTextEl.textContent=''; \r\n  }\r\n  function showError(msg){ \r\n    errorEl.style.display='flex'; \r\n    errorTextEl.textContent=msg; \r\n  }\r\n  function setStatus(msg){ \r\n    statusEl.textContent = msg; \r\n  }\r\n\r\n  function updateProgress(current, total) {\r\n    if (total === 0) {\r\n      progressEl.style.display = 'none';\r\n      return;\r\n    }\r\n    progressEl.style.display = 'block';\r\n    const percentage = Math.min((current \/ total) * 100, 100);\r\n    progressBarEl.style.width = `${percentage}%`;\r\n  }\r\n\r\n  \/\/ Render table v\u1edbi DPS branding - S\u1eed d\u1ee5ng div thay v\u00ec table elements\r\n  function ensureTable(){\r\n    if(resultsEl.firstChild && resultsEl.firstChild.classList && resultsEl.firstChild.classList.contains('dns-table')) return resultsEl.firstChild;\r\n    resultsEl.innerHTML = '';\r\n    const table = document.createElement('div');\r\n    table.className = 'dns-table';\r\n    \r\n    const isMobile = window.innerWidth < 768;\r\n    table.innerHTML = `<div class=\"dns-table-header-row\">\r\n      <div class=\"dns-table-header\">T\u00ean Mi\u1ec1n\r\n      <div class=\"dns-table-header center\">Lo\u1ea1i\r\n      <div class=\"dns-table-header ${isMobile ? 'mobile-hidden' : ''}\">T\u00ean\r\n      <div class=\"dns-table-header center\">TTL\r\n      <div class=\"dns-table-header\">D\u1eef Li\u1ec7u\r\n    <div class=\"dns-table-body\">`;\r\n    resultsEl.appendChild(table);\r\n    return table;\r\n  }\r\n\r\n  const allRows = [];\r\n  function appendRows(rows){\r\n    const table = ensureTable();\r\n    const tbody = table.querySelector('.dns-table-body');\r\n    const frag = document.createDocumentFragment();\r\n    const isMobile = window.innerWidth < 768;\r\n    \r\n    rows.forEach((r, i) => {\r\n      allRows.push(r);\r\n      const tr = document.createElement('div');\r\n      tr.className = 'dns-table-row';\r\n      \r\n      let dataColor = '#374151';\r\n      if (r.data === '(kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u)') dataColor = '#9ca3af';\r\n      else if (r.data && r.data.startsWith('L\u1ed7i:')) dataColor = '#dc2626';\r\n      \r\n      tr.innerHTML = `<div class=\"dns-table-cell\">${r.domain}\r\n        <div class=\"dns-table-cell center type\">${r.type}\r\n        <div class=\"dns-table-cell name ${isMobile ? 'mobile-hidden' : ''}\">${r.name||''}\r\n        <div class=\"dns-table-cell center ttl\">${r.ttl??''}\r\n        <div class=\"dns-table-cell data\" style=\"color:${dataColor}\">${r.data||''}`;\r\n      frag.appendChild(tr);\r\n    });\r\n    tbody.appendChild(frag);\r\n    \r\n    btnCopy.disabled = false;\r\n    btnCopy.classList.remove('success');\r\n  }\r\n\r\n  async function queryDoH(domain, type){\r\n    const base = 'https:\/\/dns.google\/resolve';\r\n    const params = new URLSearchParams();\r\n    params.set('name', domain);\r\n    params.set('type', TYPE_CODE[type]);\r\n    const url = `${base}?${params.toString()}`;\r\n    const res = await fetch(url, { headers: { 'Accept':'application\/json' }});\r\n    if(!res.ok) throw new Error(`HTTP ${res.status}`);\r\n    return await res.json();\r\n  }\r\n\r\n  let abortFlag = false;\r\n  let isRunning = false;\r\n\r\n  btnStop.addEventListener('click', ()=>{ \r\n    abortFlag = true; \r\n    setStatus('\ud83d\uded1 \u0110ang d\u1eebng...'); \r\n  });\r\n\r\n  btnClear.addEventListener('click', () => {\r\n    if (isRunning) return;\r\n    resultsEl.innerHTML = `<div class=\"dns-empty-state\">\r\n      <div class=\"dns-empty-icon\">\ud83d\udcca\r\n      <div class=\"dns-empty-text\">S\u1eb5n s\u00e0ng tra c\u1ee9u b\u1ea3n ghi DNS...\r\n      <div class=\"dns-empty-subtext\">\u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi DPS.MEDIA\r\n    `;\r\n    allRows.length = 0;\r\n    btnCopy.disabled = true;\r\n    btnCopy.classList.remove('success');\r\n    clearError();\r\n    setStatus('');\r\n    progressEl.style.display = 'none';\r\n  });\r\n\r\n  btnRun.addEventListener('click', async ()=>{\r\n    if (isRunning) return;\r\n    \r\n    clearError(); \r\n    allRows.length = 0; \r\n    abortFlag = false;\r\n    isRunning = true;\r\n\r\n    btnRun.disabled = true;\r\n    runTextEl.textContent = '\u23f3 \u0110ang ch\u1ea1y...';\r\n    btnStop.style.display = 'block';\r\n    btnClear.style.display = 'none';\r\n    \r\n    [...typesWrap.children].forEach(b => {\r\n      b.style.cursor = 'not-allowed';\r\n      b.style.opacity = '0.6';\r\n    });\r\n\r\n    const delay = clampDelay();\r\n\r\n    const domains = ta.value.split(\/\\r?\\n\/)\r\n      .map(s=>extractHostname(s))\r\n      .filter(Boolean);\r\n\r\n    if (!domains.length){ \r\n      showError('Vui l\u00f2ng nh\u1eadp \u00edt nh\u1ea5t 1 t\u00ean mi\u1ec1n.'); \r\n      resetUIState();\r\n      return; \r\n    }\r\n    if (domains.length > 100){ \r\n      showError('Gi\u1edbi h\u1ea1n 100 t\u00ean mi\u1ec1n m\u1ed7i l\u1ea7n \u0111\u1ec3 tr\u00e1nh qu\u00e1 t\u1ea3i. H\u00e3y chia nh\u1ecf danh s\u00e1ch.'); \r\n      resetUIState();\r\n      return; \r\n    }\r\n\r\n    const types = (activeType==='ALL') ? [...POPULAR] : [activeType];\r\n    const totalQueries = domains.length * types.length;\r\n\r\n    resultsEl.innerHTML = '';\r\n    ensureTable();\r\n\r\n    let completed = 0;\r\n    for (let i=0; i<domains.length && !abortFlag; i++){\r\n      const d = domains[i];\r\n      for (const t of types){\r\n        if (abortFlag) break;\r\n        try{\r\n          setStatus(`\ud83d\udd0d ${d} [${t}] (${completed + 1}\/${totalQueries})`);\r\n          updateProgress(completed, totalQueries);\r\n          \r\n          const json = await queryDoH(d, t);\r\n          if (json && Array.isArray(json.Answer) && json.Answer.length > 0){\r\n            const rows = json.Answer.map(a=>({ domain:d, type:t, name:a.name, ttl:a.TTL, data:a.data }));\r\n            appendRows(rows);\r\n          } else if (json && Array.isArray(json.Authority) && json.Authority.length > 0){\r\n            const rows = json.Authority.map(a=>({ domain:d, type:t, name:a.name, ttl:a.TTL, data:a.data }));\r\n            appendRows(rows);\r\n          } else {\r\n            appendRows([{ domain:d, type:t, name:'', ttl:'', data:'(kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u)' }]);\r\n          }\r\n        }catch(e){\r\n          appendRows([{ domain:d, type:t, name:'', ttl:'', data:`L\u1ed7i: ${e.message}` }]);\r\n        }\r\n        completed++;\r\n        updateProgress(completed, totalQueries);\r\n        if (completed < totalQueries && !abortFlag) {\r\n          await sleep(delay);\r\n        }\r\n      }\r\n    }\r\n    \r\n    if (abortFlag) {\r\n      setStatus(`\u23f9\ufe0f \u0110\u00e3 d\u1eebng (${completed}\/${totalQueries})`);\r\n    } else {\r\n      setStatus(`\u2705 Ho\u00e0n th\u00e0nh! ${allRows.length} b\u1ea3n ghi t\u1eeb ${domains.length} t\u00ean mi\u1ec1n`);\r\n    }\r\n    \r\n    resetUIState();\r\n  });\r\n\r\n  function resetUIState() {\r\n    isRunning = false;\r\n    btnRun.disabled = false;\r\n    runTextEl.textContent = '\ud83d\ude80 B\u1eaft \u0110\u1ea7u';\r\n    btnStop.style.display = 'none';\r\n    btnClear.style.display = 'block';\r\n    progressEl.style.display = 'none';\r\n    \r\n    [...typesWrap.children].forEach(b => {\r\n      b.style.cursor = 'pointer';\r\n      b.style.opacity = '1';\r\n    });\r\n  }\r\n\r\n  function escapeCell(v){\r\n    if (v == null) return '';\r\n    const s = String(v);\r\n    return s.replace(\/\\t\/g, ' ').replace(\/\\r?\\n\/g, ' ');\r\n  }\r\n  function rowsToTSV(rows){\r\n    const header = ['T\u00ean Mi\u1ec1n','Lo\u1ea1i','T\u00ean','TTL','D\u1eef Li\u1ec7u'];\r\n    const lines = [header.join('\\t')].concat(rows.map(r => [r.domain, r.type, r.name||'', r.ttl??'', r.data||''].map(escapeCell).join('\\t')));\r\n    return lines.join('\\n');\r\n  }\r\n  async function copyText(text){\r\n    if (navigator.clipboard && navigator.clipboard.writeText){\r\n      await navigator.clipboard.writeText(text);\r\n    } else {\r\n      const ta = document.createElement('textarea');\r\n      ta.value = text; document.body.appendChild(ta); ta.select(); document.execCommand('copy'); document.body.removeChild(ta);\r\n    }\r\n  }\r\n  btnCopy.addEventListener('click', async ()=>{\r\n    if (!allRows.length){ setStatus('\u274c Kh\u00f4ng c\u00f3 d\u1eef li\u1ec7u \u0111\u1ec3 sao ch\u00e9p.'); return; }\r\n    try{\r\n      await copyText(rowsToTSV(allRows));\r\n      setStatus('\u2705 \u0110\u00e3 sao ch\u00e9p b\u1ea3ng v\u00e0o clipboard!');\r\n      \r\n      const originalText = btnCopy.textContent;\r\n      btnCopy.textContent = '\u2705 \u0110\u00e3 sao ch\u00e9p!';\r\n      btnCopy.classList.add('success');\r\n      \r\n      setTimeout(() => {\r\n        btnCopy.textContent = originalText;\r\n        btnCopy.classList.remove('success');\r\n      }, 2000);\r\n    }catch(e){ \r\n      setStatus('\u274c Sao ch\u00e9p th\u1ea5t b\u1ea1i: ' + e.message); \r\n    }\r\n  });\r\n\r\n  \/\/ Window resize handler\r\n  let resizeTimeout;\r\n  window.addEventListener('resize', () => {\r\n    clearTimeout(resizeTimeout);\r\n    resizeTimeout = setTimeout(() => {\r\n      if (resultsEl.firstChild && resultsEl.firstChild.classList && resultsEl.firstChild.classList.contains('dns-table')) {\r\n        const currentRows = [...allRows];\r\n        allRows.length = 0;\r\n        resultsEl.innerHTML = '';\r\n        if (currentRows.length > 0) {\r\n          appendRows(currentRows);\r\n        }\r\n      }\r\n    }, 100);\r\n  });\r\n\r\n  \/\/ Initialize copy button state\r\n  btnCopy.disabled = true;\r\n})();\r\n<\/script><!-- End DNS Bulk Lookup Widget - DPS.MEDIA --><strong>Online website IP check helps you quickly identify the exact IP address of any website in seconds.<\/strong><p> This supports security, SEO optimization, and effective access control.<\/p><p>Theo kh\u1ea3o s\u00e1t, h\u01a1n 70% doanh nghi\u1ec7p SMEs s\u1eed d\u1ee5ng IP \u0111\u1ec3 b\u1ea3o v\u1ec7 trang web v\u00e0 t\u0103ng tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng. <a class=\"wpil_keyword_link\" href=\"https:\/\/dps.media\/en\/\" title=\"DPS.MEDIA JSC\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"754\">DPS.MEDIA<\/a> \u0111\u00e3 t\u01b0 v\u1ea5n cho nhi\u1ec1u kh\u00e1ch h\u00e0ng c\u00e1ch \u1ee9ng d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0y th\u00e0nh c\u00f4ng trong chi\u1ebfn l\u01b0\u1ee3c digital marketing.<br><img decoding=\"async\" class=\"kimage_class\" src=\"https:\/\/dps.media\/wp-content\/uploads\/2025\/08\/an-tam.jpg\" alt=\"The importance of checking Website IP in digital Marketing strategy\" title=\"\"><\/p><h2 id=\"tam-quan-trong-cua-viec-tra-cuu-ip-website-trong-chien-luoc-digital-marketing\">The importance of checking Website IP in digital Marketing strategy<\/h2><h3>Security control and threat identification<\/h3><p>In the digital era, digital campaigns are vulnerable if website IPs are not thoroughly checked. Checking IPs helps you:<\/p><p>\u2013 X\u00e1c minh hosting an to\u00e0n hay chia s\u1ebb v\u1edbi c\u00e1c website kh\u00f4ng \u0111\u00e1ng tin<br>\n\u2013 Ph\u00e1t hi\u1ec7n h\u00e0nh vi gi\u1ea3 m\u1ea1o th\u01b0\u01a1ng hi\u1ec7u t\u1eeb c\u00e1c IP server l\u1ea1<br>\n\u2013 Ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng ki\u1ec3u DDoS nh\u1eafm v\u00e0o h\u1ea1 t\u1ea7ng web<\/p><div class=\"wp-block-group has-background\">\n<p><strong>Tip:<\/strong> N\u00ean ki\u1ec3m tra IP \u0111\u1ecbnh k\u1ef3 m\u1ed7i th\u00e1ng n\u1ebfu website nh\u1eadn h\u01a1n 5.000 l\u01b0\u1ee3t truy c\u1eadp\/ng\u00e0y \u2013 ch\u1ec9 m\u1ea5t 5 ph\u00fat nh\u01b0ng gi\u00fap b\u1ea3o v\u1ec7 b\u1ec1n v\u1eefng.<\/p>\n<\/div><h3>Competitor analysis and competition verification<\/h3><p>You can use IPs to monitor competitors' technical infrastructure and gain insights. Some practical application examples:<\/p><p>\u2013 Ph\u00e1t hi\u1ec7n \u0111\u1ed1i th\u1ee7 chuy\u1ec3n server (\u0111\u1ec3 t\u1ed1i \u01b0u SEO ho\u1eb7c \u0111\u1ed5i nh\u00e0 cung c\u1ea5p)<br>\n\u2013 So s\u00e1nh t\u1ed1c \u0111\u1ed9 ph\u1ea3n h\u1ed3i IP c\u1ee7a site \u0111\u1ed1i th\u1ee7 (gi\u00fap \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng hosting)<br>\n\u2013 \u0110\u1ecbnh danh c\u00e1c IP chia s\u1ebb c\u00f9ng web server \u2192 x\u00e1c \u0111\u1ecbnh nh\u00f3m PBN nguy c\u01a1<\/p><p>Example: An anonymous DPS.MEDIA client, after analyzing the IPs of three major competitors in the real estate sector, decided to switch to a server in Vietnam to improve Core Web Vitals. As a result, the bounce rate decreased by 18% in 6 weeks (source: internal Q3\/2023 report).<\/p><table class=\"wordpress\">\n<thead>\n<tr>\n<th>Parameters<\/th>\n<th>Before the change<\/th>\n<th>After the change<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>page load time (average)<\/td>\n<td>3.4 seconds<\/td>\n<td>2.1 seconds<\/td>\n<\/tr>\n<tr>\n<td>Core Web Vitals (LCP)<\/td>\n<td>3.1 s<\/td>\n<td>1.8 s<\/td>\n<\/tr>\n<tr>\n<td>Bounce rate<\/td>\n<td>56%<\/td>\n<td>38%<\/td>\n<\/tr>\n<\/tbody>\n<\/table><h3>Checklist: Things to do when checking website IP<\/h3><ul>\n<li>\u2705 Use official IP checking tools (e.g., Whois, Google Dig, DNS Checker)<\/li>\n<li>\u2705 Compare the IP with popular blacklists like Spamhaus or SURBL<\/li>\n<li>\u2705 Check if the server shares its IP with many suspicious domains<\/li>\n<li>\u2705 Note any changes to the IP or server to track performance over time<\/li>\n<\/ul><div class=\"wp-block-group has-background\">\n<p><strong>Warning risk:<\/strong> N\u1ebfu server chia s\u1ebb IP v\u1edbi nhi\u1ec1u website spam, kh\u1ea3 n\u0103ng domain b\u1ea1n b\u1ecb \u0111\u00e1nh t\u00edn nhi\u1ec7m l\u00e0 r\u1ea5t cao \u2013 \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn chi\u1ebfn d\u1ecbch SEO v\u00e0 qu\u1ea3ng c\u00e1o tr\u1ea3 ph\u00ed.<\/p>\n<\/div><h3>Final takeaway \ud83d\ude0e<\/h3><p>The <strong>website IP lookup<\/strong> kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n ph\u1ee5c v\u1ee5 nhu c\u1ea7u k\u1ef9 thu\u1eadt, m\u00e0 l\u00e0 b\u01b0\u1edbc h\u1eadu c\u1ea7n quan tr\u1ecdng cho m\u1ecdi chi\u1ebfn d\u1ecbch digital hi\u1ec7u qu\u1ea3, \u0111\u1eb7c bi\u1ec7t v\u1edbi doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf. \u0110\u1eebng b\u1ecf qua chi ti\u1ebft nh\u1ecf \u2013 v\u00ec ch\u00ednh n\u00f3 gi\u00fap b\u1ea1n d\u1eabn tr\u01b0\u1edbc \u0111\u1ed1i th\u1ee7 1 b\u01b0\u1edbc!<br><img decoding=\"async\" class=\"kimage_class\" src=\"https:\/\/dps.media\/wp-content\/uploads\/2025\/08\/626374.jpg\" alt=\"Effective and popular online Website IP checking methods today\" title=\"\"><\/p><h2 id=\"cac-phuong-phap-kiem-tra-ip-website-online-hieu-qua-va-pho-bien-hien-nay\">Effective and popular online Website IP checking methods today<\/h2><h3>Accurate free IP checking tools<\/h3><p>You can use many free platforms to quickly look up a website\u2019s IP address in just a few seconds. Some popular tools:<\/p><ul>\n<li><strong>DNS Checker:<\/strong> View IP and DNS records on multiple global servers.<\/li>\n<li><strong>IP Lookup by WhatIsMyIPAddress:<\/strong> Simple interface, reliable results.<\/li>\n<li><strong>MXToolbox:<\/strong> Supports lookup of A record, MX, and detailed WHOIS information.<\/li>\n<\/ul><div class=\"wp-block-group has-background\" style=\"background-color:#f1f1f1;padding:15px\">\n  <strong>TIP:<\/strong> Compare different tools to detect IP changes or CDN network interruptions.\n<\/div><h3>Check IP using CMD (Command prompt)<\/h3><p>For users with technical knowledge, the nslookup or ping command on Windows, or Terminal on Mac, is a quick way to check IP:<\/p><ul>\n<li><code>nslookup yourdomain.com<\/code>  \u2013 Tr\u1ea3 v\u1ec1 \u0111\u1ecba ch\u1ec9 IP m\u00e1y ch\u1ee7 DNS.<\/li>\n<li><code>ping yourdomain.com<\/code>  \u2013 Ki\u1ec3m tra ph\u1ea3n h\u1ed3i v\u00e0 x\u00e1c \u0111\u1ecbnh IP.<\/li>\n<\/ul><p>Example: Type <code>nslookup example.com<\/code> usually returns IP 93.184.216.34 belonging to Edgecast's server (according to RIPE 2023 data).<\/p><h3>A summary table of useful tools<\/h3><table class=\"wordpress\">\n<thead>\n<tr>\n<th>Tool name<\/th>\n<th>Used for<\/th>\n<th>Free<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DNS Checker<\/td>\n<td>checking IP by geographic location<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>MXToolbox<\/td>\n<td>Ph\u00e2n t\u00edch DNS record & blacklist<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<td>ViewDNS.info<\/td>\n<td>WHOIS, trace route and IP history<\/td>\n<td>A part<\/td>\n<\/tr>\n<\/tbody>\n<\/table><h3>Checklist when checking website IP<\/h3><ul>\n<li>\u2714 Lookup IP of main domain and subdomain<\/li>\n<li>\u2714 Identify hosting server location<\/li>\n<li>\u2714 Check if using CDN (cloudflare\u2026)<\/li>\n<li>\u2714 Cross-check IP from different sources<\/li>\n<li>\u2714 Record results and periodic check times<\/li>\n<\/ul><h3>L\u01b0u \u00fd khi tra c\u1ee9u IP \u2013 kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng \u201cchu\u1ea9n\u201d<\/h3><p>Content filtering services, CDNs like Cloudflare can hide the real IP of the origin server. This makes identifying the IP address difficult in many cases.<\/p><div class=\"wp-block-group has-background\" style=\"background-color:#fff8dc;padding:15px\">\n  <strong>Note:<\/strong> If you are analyzing security or need to know the real IP to whitelist, use firewall logs or information from your hosting provider.\n<\/div><h3>Takeaway<\/h3><p>Checking a website's IP is not too difficult, but you need to choose the right tool for each purpose. Regular checks help businesses easily detect network issues or changes from the hosting provider.<br><img decoding=\"async\" class=\"kimage_class\" src=\"https:\/\/dps.media\/wp-content\/uploads\/2025\/08\/tinh-6.jpg\" alt=\"Detailed guide on how to check IP from URL accurately and quickly\" title=\"\"><\/p><h2 id=\"huong-dan-chi-tiet-cach-tra-cuu-ip-tu-url-chinh-xac-va-nhanh-chong\">Detailed guide on how to check IP from URL accurately and quickly<\/h2><h3>1. Basic steps to check IP from URL<\/h3><p>Below is a checklist to help you perform the lookup in just a few minutes:<\/p><ul>\n<li>\u2705 Truy c\u1eadp v\u00e0o c\u00f4ng c\u1ee5 tra c\u1ee9u IP uy t\u00edn (nh\u01b0 WhatIsMyIPAddress, DNSChecker, Hostinger\u2026)<\/li>\n<li>\u2705 Enter the website URL you want to check (e.g.: <strong>example.com<\/strong>)<\/li>\n<li>\u2705 Nh\u1ea5n \u201cCheck\u201d ho\u1eb7c \u201cT\u00ecm\u201d \u0111\u1ec3 c\u00f4ng c\u1ee5 x\u1eed l\u00fd<\/li>\n<li>\u2705 Xem k\u1ebft qu\u1ea3 hi\u1ec3n th\u1ecb IP IPv4, IPv6, host name\u2026<\/li>\n<\/ul><div class=\"wp-block-group has-background\" style=\"background-color:#f3f4f5;padding:15px;margin-top:10px\">\n  <strong>tip:<\/strong> If you need to check multiple IPs at once, use the ping or nslookup command via terminal to save time.\n<\/div><h3>2. Use Command Prompt (Windows) or Terminal (macOS\/Linux)<\/h3><p>Another accurate way that doesn\u2019t require a browser is to use the command:<\/p><ul>\n<li><strong>ping example.com<\/strong> \u279d Instantly returns the IP result<\/li>\n<li><strong>nslookup example.com<\/strong> \u279d displays the DNS server and IP address<\/li>\n<\/ul><p>Example: When running <code>ping facebook.com<\/code>, the system will return the IP as <code>157.240.229.35<\/code>. Actual data from Cloudflare\u2019s 2023 report recorded that 83% of website slowdowns are due to DNS or incorrect IP.<\/p><h3>3. Information table to observe when checking<\/h3><table class=\"wordpress\">\n<thead>\n<tr>\n<th>Attribute<\/th>\n<th>Sample Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>URL<\/td>\n<td>example.com<\/td>\n<\/tr>\n<tr>\n<td>IP Address<\/td>\n<td>93.184.216.34<\/td>\n<\/tr>\n<tr>\n<td>IP Type<\/td>\n<td>IPv4<\/td>\n<\/tr>\n<tr>\n<td>DNS Server<\/td>\n<td>google \u2013 8.8.8.8<\/td>\n<\/tr>\n<\/tbody>\n<\/table><h3>4. Some important notes and potential risks<\/h3><ul>\n<li>\u26a0\ufe0f Some websites using CDN like Cloudflare will not display the real IP<\/li>\n<li>\u26a0\ufe0f IP may change if the website uses shared hosting<\/li>\n<li>\u26a0\ufe0f IP lookup does not help determine the exact server location unless you have access to the actual host<\/li>\n<\/ul><div class=\"wp-block-group has-background\" style=\"background-color:#e9f5ff;padding:15px;margin-top:10px\">\n  <strong>Takeaway:<\/strong> Ki\u1ec3m tra IP website l\u00e0 m\u1ed9t b\u01b0\u1edbc nh\u1ecf nh\u01b0ng c\u1ef1c k\u1ef3 quan tr\u1ecdng trong vi\u1ec7c gi\u00e1m s\u00e1t h\u1ea1 t\u1ea7ng website \u2013 \u0111\u1eb7c bi\u1ec7t ph\u00f9 h\u1ee3p v\u1edbi IT admin ho\u1eb7c marketer c\u1ea7n x\u00e1c minh ngu\u1ed3n truy c\u1eadp. H\u00e3y lu\u00f4n d\u00f9ng c\u00f4ng c\u1ee5 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c!\n<\/div><p><img decoding=\"async\" class=\"kimage_class\" src=\"https:\/\/dps.media\/wp-content\/uploads\/2025\/08\/Step-7.jpg\" alt=\"Analyze IP information to enhance security and optimize Website\" title=\"\"><\/p><h2 id=\"phan-tich-thong-tin-ip-de-nang-cao-hieu-qua-bao-mat-va-toi-uu-hoa-website\">Analyze IP information to enhance security and optimize Website<\/h2><h3>Why should you monitor website IP?<\/h3><p>Analyzing IP addresses helps businesses identify suspicious traffic sources, thereby limiting DDoS attacks or unauthorized access. An IP address that continuously sends requests to the server may be a sign of a bot or malicious script.<\/p><p>Organizations like Cloudflare (2023 Report) recommend that websites regularly check IPs to:<\/p><p>\u2013 Ph\u00e1t hi\u1ec7n s\u1edbm c\u00e1c h\u00e0nh vi brute force, spam.<br>\n\u2013 Ch\u1eb7n IP t\u1eeb khu v\u1ef1c kh\u00f4ng mong mu\u1ed1n.<br>\n\u2013 Theo d\u00f5i hi\u1ec7u su\u1ea5t m\u00e1y ch\u1ee7 g\u1ed1c (origin server) qua IP m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c tr\u1ecf \u0111\u1ebfn.<\/p><div class=\"wp-block-group has-background\">\n<p><strong>Tip:<\/strong> Configure firewall or WAF to automatically block IPs with abnormal behavior.<\/p>\n<\/div><h3>Factors to analyze when checking IP<\/h3><p>A website's IP address not only shows the server location, but is also directly related to stability and SEO. Below are the factors you should check when looking up an IP:<\/p><p>\u2013 V\u1ecb tr\u00ed \u0111\u1ecba l\u00fd c\u1ee7a IP (\u1eafp d\u1ee5ng t\u1edbi t\u1ed1c \u0111\u1ed9 t\u1ea3i trang cho ng\u01b0\u1eddi d\u00f9ng)<br>\n\u2013 Nh\u00e0 cung c\u1ea5p m\u00e1y ch\u1ee7 (Hosting provider)<br>\n\u2013 T\u00ecnh tr\u1ea1ng blacklist (IP c\u00f3 b\u1ecb li\u1ec7t k\u00ea trong danh s\u00e1ch \u0111\u1ed9c h\u1ea1i kh\u00f4ng?)<br>\n\u2013 T\u1ef7 l\u1ec7 uptime theo l\u1ecbch s\u1eed truy c\u1eadp (xem qua c\u00f4ng c\u1ee5 nh\u01b0 Uptime Robot)<\/p><p>Real-life example: An e-commerce website in Vietnam with an IP located in Europe recorded a page load time 2.7s slower for local users (source: GTMetrix 2023 update).<\/p><h3>Checklist: Actions to take immediately<\/h3><ul>\n<li>Look up the real IP of the website using WHOIS or DNS Lookup tools<\/li>\n<li>Compare with the IP displayed in the browser \u21d2 detect proxy or CDN<\/li>\n<li>Check if the IP is listed in the spamhaus.org blacklist<\/li>\n<li>Analyze access logs to filter IPs that repeat abnormally over 200 times\/day<\/li>\n<li>Note down backup server IPs and keep an internal network diagram (if any)<\/li>\n<\/ul><h3>Example table: Preliminary analysis of Website IP<\/h3><table class=\"WordPress\">\n<thead>\n<tr>\n<th>Parameters<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Current IP<\/td>\n<td>203.113.174.25<\/td>\n<\/tr>\n<tr>\n<td>Hosting Provider<\/td>\n<td>Viettel IDC<\/td>\n<\/tr>\n<tr>\n<td>Blacklist Status<\/td>\n<td>Not detected<\/td>\n<\/tr>\n<tr>\n<td>IP Location<\/td>\n<td>Hanoi, Vietnam<\/td>\n<\/tr>\n<\/tbody>\n<\/table><h3>Challenges and important notes<\/h3><p>Although it offers outstanding benefits, IP analysis is not simple if the website uses multiple layers of proxy or CDN like Cloudflare. These cases require analyzing the original header (X-Forwarded-For) and accessing server logs.<\/p><p>Furthermore, dynamic IPs or shared IPs can be affected by other websites on the same server if a shared IP is blacklisted.<\/p><div class=\"wp-block-group has-background\">\n<p><strong>Note:<\/strong> Not every IP far from the geographic location causes slowness, if the CDN infrastructure is stable enough.<\/p>\n<\/div><h3>Takeaway<\/h3><p>An IP address may seem technical, but it plays a central role in both security and speed optimization. Don't overlook it in the process of running a professional website.<br><img decoding=\"async\" class=\"kimage_class\" src=\"https:\/\/dps.media\/wp-content\/uploads\/2025\/08\/6-2.jpg\" alt=\"How to use IP data in competitor research and market expansion\" title=\"\"><\/p><h2 id=\"lam-the-nao-de-su-dung-du-lieu-ip-trong-viec-nghien-cuu-doi-thu-va-mo-rong-thi-truong\">How to use IP data in competitor research and market expansion<\/h2><h3>Analysis of competitor's technical infrastructure<\/h3><p>When checking a website's IP, you can identify the hosting provider, CDN technology, or security structure your competitor is using. This helps measure the level of investment and professionalism in their system.<\/p><ul>\n<li><strong>Identify server IP<\/strong> to know if the competitor uses VPS, shared or dedicated server<\/li>\n<li><strong>Check DNS records<\/strong> to understand the structure of email, web app, and subdomain<\/li>\n<li>Use tools like BuiltWith or SecurityTrails to deeply analyze the technology stack<\/li>\n<\/ul><h3>Identify target customer reach areas<\/h3><p>IP data also shows where the website is serving many visitors from (via ISP or geo-IP). If you identify a market with high traffic, you can develop promotional campaigns in similar areas.<\/p><div class=\"wp-block-group has-background\">\n  <strong>tip:<\/strong> Combine IP checking with Google Analytics when running test ads to optimize your budget for regions with potential.\n<\/div><h3>Action checklist for competitor research<\/h3><ul>\n<li>\u2713 Perform IP queries using online IP check tools (such as IPinfo, ViewDNS)<\/li>\n<li>\u2713 Note down CDN network, web server, and security system<\/li>\n<li>\u2713 Track sites using the same IP via Reverse IP Lookup<\/li>\n<li>\u2713 Compare server location with international marketing campaigns<\/li>\n<\/ul><h3>Table: Sample analysis of competitor's web IP<\/h3><table class=\"wordpress\">\n<thead>\n<tr>\n<th>Website<\/th>\n<th>IP Address<\/th>\n<th>Location<\/th>\n<th>Hosting<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>example-competitor.com<\/td>\n<td>192.185.124.XX<\/td>\n<td>Singapore (AWS Asia)<\/td>\n<td>Amazon Web Services<\/td>\n<\/tr>\n<tr>\n<td>abc-rivals.net<\/td>\n<td>104.21.XX.XX<\/td>\n<td>US East (Cloudflare)<\/td>\n<td>Cloudflare CDN + proxy<\/td>\n<\/tr>\n<\/tbody>\n<\/table><h3>Challenges when using IP data<\/h3><p>IP data can be easily spoofed due to services like Cloudflare masking the real IP, or dynamic IPs making it impossible to accurately identify the actual server. Incorrect analysis may lead to misdirected targeting or wasted marketing resources.<\/p><h3>Real example<\/h3><p>A startup in Ho Chi Minh City discovered their main competitor hosted their server in Frankfurt, serving a large amount of traffic from Germany. Thanks to IP analysis data, their content team tried a German SEO campaign and attracted an additional 12,000 visits\/month after 3 months (Source: DPS.MEDIA internal report 2023).<\/p><h3>Takeaway<\/h3><p><strong>Looking up and analyzing website IPs not only helps you understand your competitors but also opens up strategic pathways for choosing the right market to expand into.<\/strong><br><img decoding=\"async\" class=\"kimage_class\" src=\"https:\/\/dps.media\/wp-content\/uploads\/2025\/08\/02851u.jpg\" alt=\"Important notes when choosing an IP lookup tool suitable for SMEs\" title=\"\"><\/p><h2 id=\"nhung-luu-y-quan-trong-khi-chon-cong-cu-tra-cuu-ip-phu-hop-voi-doanh-nghiep-smes\">Important notes when choosing an IP lookup tool suitable for SMEs<\/h2><h3>Set criteria appropriate to business scale<\/h3><p>Not every IP lookup tool is suitable for all types of businesses. SMEs should focus on practical criteria:<\/p><p>\u2013 Giao di\u1ec7n \u0111\u01a1n gi\u1ea3n, d\u1ec5 d\u00f9ng cho ng\u01b0\u1eddi kh\u00f4ng chuy\u00ean.<br>\n\u2013 Kh\u1ea3 n\u0103ng tra c\u1ee9u t\u1eadp trung: ki\u1ec3m tra IP nhi\u1ec1u domain c\u00f9ng l\u00fac.<br>\n\u2013 Kh\u00f4ng y\u00eau c\u1ea7u chi ph\u00ed cao ho\u1eb7c \u0111\u0103ng k\u00fd r\u01b0\u1eddm r\u00e0.<\/p><div class=\"wp-block-group has-background\">\n  <strong>Tip:<\/strong> With a limited budget, prioritize free tools like WhatIsMyIPAddress, or the free limited version of IPinfo, suitable for most small businesses.\n<\/div><h3>Compare features and reliability<\/h3><p>To optimize performance, you need to evaluate tools based on technical criteria:<\/p><p>\u2013 \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a \u0111\u1ecba ch\u1ec9 IP v\u00e0 hosting (sai s\u1ed1 IP hosting c\u00f3 th\u1ec3 ch\u00eanh \u00b15%).<br>\n\u2013 C\u1eadp nh\u1eadt d\u1eef li\u1ec7u th\u1eddi gian th\u1ef1c (real-time), tr\u00e1nh d\u1eef li\u1ec7u cache \u1ea9n.<br>\n\u2013 H\u1ed7 tr\u1ee3 API cho t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng (\u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng v\u1edbi SMEs \u0111ang ph\u00e1t tri\u1ec3n web).V\u00ed d\u1ee5: M\u1ed9t c\u00f4ng ty n\u1ed9i th\u1ea5t t\u1ea1i B\u00ecnh D\u01b0\u01a1ng t\u1eebng d\u00f9ng m\u1ed9t tool mi\u1ec5n ph\u00ed,tuy t\u1ed1c \u0111\u1ed9 tra c\u1ee9u nhanh nh\u01b0ng tr\u1ea3 k\u1ebft qu\u1ea3 sai v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd ~30%,d\u1eabn \u0111\u1ebfn chi\u1ebfn d\u1ecbch marketing location-based b\u1ecb l\u1ec7ch t\u1ec7p kh\u00e1ch h\u00e0ng m\u1ee5c ti\u00eau.<\/p><h3>Checklist for choosing an IP lookup tool<\/h3><ul>\n<li>\u2705 Supports multi-check for multiple IPs or URLs<\/li>\n<li>\u2705 Response time under 1.5 seconds per lookup URL<\/li>\n<li>\u2705 Can distinguish between IPv4 and IPv6<\/li>\n<li>\u2705 Does not store unnecessary user data<\/li>\n<li>\u2705 Supports reporting or CSV export if analysis is needed<\/li>\n<\/ul><h3>Quick comparison table of 3 popular tools<\/h3><table class=\"wordpress\">\n<thead>\n<tr>\n<th>Tool<\/th>\n<th>Free<\/th>\n<th>API<\/th>\n<th>IP accuracy<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>IPinfo.io<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<td>\u00b121%<\/td>\n<\/tr>\n<tr>\n<td>WhatIsMyIPAddress<\/td>\n<td>Yes<\/td>\n<td>no<\/td>\n<td>\u00b141%<\/td>\n<\/tr>\n<tr>\n<td>DPS.MEDIA IP Tool<\/td>\n<td>Yes<\/td>\n<td>Limit<\/td>\n<td>\u00b111%<\/td>\n<\/tr>\n<\/tbody>\n<\/table><h3>C\u1ea3nh b\u00e1o & th\u00e1ch th\u1ee9c th\u01b0\u1eddng g\u1eb7p<\/h3><p>\u2013 M\u1ed9t s\u1ed1 c\u00f4ng c\u1ee5 s\u1eed d\u1ee5ng d\u1eef li\u1ec7u IP outdated \u2192 d\u1ec5 d\u1eabn \u0111\u1ebfn sai l\u1ec7ch v\u1ec1 v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd ho\u1eb7c nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<br>\n\u2013 V\u1edbi SMEs c\u00f3 domain d\u00f9ng Cloudflare ho\u1eb7c m\u1ea1ng CDN,IP th\u1ef1c c\u00f3 th\u1ec3 b\u1ecb \u201cche\u201d,c\u1ea7n c\u00f4ng c\u1ee5 chuy\u00ean bi\u1ec7t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh IP g\u1ed1c.<\/p><div class=\"wp-block-group has-background\">\n  <strong>Tip:<\/strong> When the website uses a proxy\/CDN, check the response from the HTTP header or combine with reverse DNS lookup.\n<\/div><h3>Takeaway<\/h3><p>Choosing the right IP lookup tool for SMEs helps businesses optimize data retrieval, ensure accuracy when implementing IP-based outreach campaigns, and minimize errors in user geolocation. Don't overlook checking for updates and extensibility features when comparing options.<br><img decoding=\"async\" class=\"kimage_class\" src=\"https:\/\/dps.media\/wp-content\/uploads\/2025\/08\/56x227.jpg\" alt=\"Integrate IP checking into the operation and professional Website development process\" title=\"\"><\/p><h2 id=\"tich-hop-viec-kiem-tra-ip-vao-quy-trinh-van-hanh-va-phat-trien-website-chuyen-nghiep\">Integrate IP checking into the operation and professional Website development process<\/h2><h3>Why is IP checking necessary in the operation process?<\/h3><p>Identifying the website's IP address not only serves security purposes but also supports more efficient system administration. Especially in a Cloud environment or when using a Proxy, the IP helps clearly determine the routing point of traffic.<\/p><ul>\n<li><strong>Analyze abnormal traffic<\/strong> to filter bots or unwanted sources.<\/li>\n<li><strong>Server identification<\/strong> active when there are multiple staging\/test environments.<\/li>\n<li>Support the technical team in monitoring uptime and responding quickly to incidents.<\/li>\n<\/ul><div class=\"wp-block-group has-background\" style=\"background-color: #f0f0f0;padding: 16px;border-left: 4px solid #0073aa\">\n  <strong>TIP:<\/strong> Schedule periodic IP checks every week\/2 weeks to ensure there are no DNS errors, especially when using CDN services like Cloudflare.\n<\/div><h3>IP check should be built as a step in DevOps<\/h3><p>Integrating IP lookup into the CI\/CD process brings outstanding benefits for testing and deployment. When automatically deploying through staging \u2192 production environments, the IP serves as the basis to:<\/p><ul>\n<li>whitelist addresses on the firewall.<\/li>\n<li>Route traffic to the correct environment.<\/li>\n<li>Avoid wasting time when connection errors occur between servers.<\/li>\n<\/ul><p>Example: An internal eCommerce project in Ho Chi Minh City once encountered API connection errors due to misconfigured dynamically updated load balancer IPs. After integrating an automatic IP check step in the Jenkins Pipeline, the DevOps team reduced downtime handling time by 40% (Source: Internal Report, 2023).<\/p><h3>Checklist: How to integrate IP checking into workflow<\/h3><ul>\n<li>\u2705 Create a script to automatically check IP and log changes.<\/li>\n<li>\u2705 Use a webhook to notify if the IP changes abnormally.<\/li>\n<li>\u2705 Periodically update the IP whitelist on the server\/cloud\/firewall.<\/li>\n<li>\u2705 Verify the domain points to the correct IP after each deployment.<\/li>\n<li>\u2705 Attach IP check to the system monitoring software's Tag.<\/li>\n<\/ul><h3>Comparison table: Before and after applying regular IP checks<\/h3><table class=\"WordPress\">\n<thead>\n<tr>\n<th>Criteria<\/th>\n<th>Before<\/th>\n<th>After<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Average downtime\/month<\/td>\n<td>5-8 hours<\/td>\n<td>1-2 hours<\/td>\n<\/tr>\n<tr>\n<td>Detect DNS\/IP errors<\/td>\n<td>Manual<\/td>\n<td>Automation<\/td>\n<\/tr>\n<tr>\n<td>Incident response speed<\/td>\n<td>Slow (over 60 minutes)<\/td>\n<td>Under 15 minutes<\/td>\n<\/tr>\n<\/tbody>\n<\/table><div class=\"wp-block-group has-background\" style=\"background-color: #fef9e7;padding: 16px;border-left: 4px solid #f1c40f\">\n  <strong>Warning:<\/strong> M\u1ed9t s\u1ed1 n\u1ec1n t\u1ea3ng hosting d\u00f9ng IP \u0111\u1ed9ng \u2013 b\u1ea1n c\u1ea7n k\u1ebft h\u1ee3p x\u00e1c th\u1ef1c b\u1eb1ng DNS Record ho\u1eb7c CNAME \u0111\u1ec3 tr\u00e1nh c\u1ea5u h\u00ecnh sai.\n<\/div><h3>Brief takeaway<\/h3><p>Integration <strong>periodic website IP check<\/strong> is a small step but plays a big role in the professional web operation chain. Make this a technical habit to enhance your system's stability and security. <\/p><h2 id=\"outro\">What I want to convey<\/h2><p>Looking up a website's IP helps you better understand the origin, server, and information security of a site. This is an important first step in controlling and managing online data.  <\/p><p>Try checking the IP of some familiar websites today. Regular practice will improve your network system analysis skills.  <\/p><p>You can also learn more about DNS management, hosting, or how to detect fake websites. This knowledge strongly supports security and technical SEO.  <\/p><p>DPS.MEDIA is always ready to accompany businesses on their digital transformation journey. Leave a comment below if you have questions or want to share your experience! <\/p>\n<style>\r\n.lwrp.link-whisper-related-posts{\r\n            \r\n            margin-top: 40px;\nmargin-bottom: 30px;\r\n        }\r\n        .lwrp .lwrp-title{\r\n            \r\n            \r\n        }.lwrp .lwrp-description{\r\n            \r\n            \r\n\r\n        }\r\n        .lwrp .lwrp-list-container{\r\n        }\r\n        .lwrp .lwrp-list-multi-container{\r\n            display: flex;\r\n        }\r\n        .lwrp .lwrp-list-double{\r\n            width: 48%;\r\n        }\r\n        .lwrp .lwrp-list-triple{\r\n            width: 32%;\r\n        }\r\n        .lwrp .lwrp-list-row-container{\r\n            display: flex;\r\n            justify-content: space-between;\r\n        }\r\n        .lwrp .lwrp-list-row-container .lwrp-list-item{\r\n            width: calc(33% - 20px);\r\n        }\r\n        .lwrp .lwrp-list-item:not(.lwrp-no-posts-message-item){\r\n            \r\n            max-width: 150px;\r\n        }\r\n        .lwrp .lwrp-list-item img{\r\n            max-width: 100%;\r\n            height: auto;\r\n            object-fit: cover;\r\n            aspect-ratio: 1 \/ 1;\r\n        }\r\n        .lwrp .lwrp-list-item.lwrp-empty-list-item{\r\n            background: initial !important;\r\n        }\r\n        .lwrp .lwrp-list-item .lwrp-list-link .lwrp-list-link-title-text,\r\n        .lwrp .lwrp-list-item .lwrp-list-no-posts-message{\r\n            \r\n            \r\n            \r\n            \r\n        }@media screen and (max-width: 480px) {\r\n            .lwrp.link-whisper-related-posts{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-title{\r\n                \r\n                \r\n            }.lwrp .lwrp-description{\r\n                \r\n                \r\n            }\r\n            .lwrp .lwrp-list-multi-container{\r\n                flex-direction: column;\r\n            }\r\n            .lwrp .lwrp-list-multi-container ul.lwrp-list{\r\n                margin-top: 0px;\r\n                margin-bottom: 0px;\r\n                padding-top: 0px;\r\n                padding-bottom: 0px;\r\n            }\r\n            .lwrp .lwrp-list-double,\r\n            .lwrp .lwrp-list-triple{\r\n                width: 100%;\r\n            }\r\n            .lwrp .lwrp-list-row-container{\r\n                justify-content: initial;\r\n                flex-direction: column;\r\n            }\r\n            .lwrp .lwrp-list-row-container .lwrp-list-item{\r\n                width: 100%;\r\n            }\r\n            .lwrp .lwrp-list-item:not(.lwrp-no-posts-message-item){\r\n                \r\n                max-width: initial;\r\n            }\r\n            .lwrp .lwrp-list-item .lwrp-list-link .lwrp-list-link-title-text,\r\n            .lwrp .lwrp-list-item .lwrp-list-no-posts-message{\r\n                \r\n                \r\n                \r\n                \r\n            };\r\n        }<\/style>\r\n<div id=\"link-whisper-related-posts-widget\" class=\"link-whisper-related-posts lwrp\">\r\n            <div class=\"lwrp-title\">Related Posts<\/div>    \r\n        <div class=\"lwrp-list-container\">\r\n                                <div class=\"lwrp-list lwrp-list-row-container lwrp-list-double-row\">\r\n                <div class=\"lwrp-list-item\"><a href=\"https:\/\/dps.media\/en\/mini-game-ideas-for-the-opening-skills-class\/\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Mini game ideas for skill class opening session<\/span><\/a><\/div><div class=\"lwrp-list-item\"><a href=\"https:\/\/dps.media\/en\/analysis-of-data-report-for-the-mechanical-manufacturing-industry\/\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Mechanical Industry Data Report Analysis<\/span><\/a><\/div><div class=\"lwrp-list-item\"><a href=\"https:\/\/dps.media\/en\/discover-the-emotional-song-made-in-vietnam-by-phuong-my-chi-truc-nhan\/\" class=\"lwrp-list-link\"><span class=\"lwrp-list-link-title-text\">Discover the Emotional Song Made in Vietnam by Ph\u01b0\u01a1ng M\u1ef9 Chi &amp; 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The online website IP checker tool helps you quickly look up the exact IP address with just a few clicks \u2013 convenient, free, and no installation required!<\/p>","protected":false},"author":1,"featured_media":30506,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[70],"tags":[1126,171,680,1037],"class_list":["post-30505","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc","tag-bao-mat-mang","tag-cong-cu-truc-tuyen","tag-huong-dan-ky-thuat","tag-quan-tri-website"],"acf":[],"rankmath_keywords":{"primary":"","secondary":[""]},"yoast_keywords":{"primary":"","secondary":[]},"yoast_focuskw":"","rankmath_focuskw":"","seo_keywords":{"primary":"","secondary":[""]},"_links":{"self":[{"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/posts\/30505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/comments?post=30505"}],"version-history":[{"count":2,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/posts\/30505\/revisions"}],"predecessor-version":[{"id":36037,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/posts\/30505\/revisions\/36037"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/media\/30506"}],"wp:attachment":[{"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/media?parent=30505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/categories?post=30505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dps.media\/en\/wp-json\/wp\/v2\/tags?post=30505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}