ıpdex

CDN detector

Is a site behind a CDN? Three independent signals, shown with the evidence — never a guess dressed as fact.

Three independent signals, shown with their evidence — never an overclaim. Cached by the queried domain; nothing about you is stored.

  • Network type from our index, the CNAME chain, and response headers.
  • A three-state verdict: behind a CDN, none, or ambiguous.
  • Cached by the domain; nothing about you is stored.