Is it blocked right now?
Type a website. We measure it this moment, step by step, and tell you where the filter acts and what gets through: Encrypted Client Hello, a fragmented hello, HTTP/3.
- 1DNSinjected?
- 2TCPIP blocked?
- 3TLSSNI · ECH
- 4HTTPblock page?
Try
It can tell youBlocked in Iran · DNS injectionBlocked in Iran · SNI filterReachable from inside Iran onlyThe site refuses visitors from IranReachable inside Iran