PHP sez it's Monday 29th of December 2025 07:14:59 PM (UTC)

SSL_ECH_STATUS: not attempted
SSL_ECH_OUTER_SNI:
SSL_ECH_INNER_SNI:

ECH Interop Report

Test your browser versus many ECH setups (using iframes).

Test whether a web server at a DNS name supports ECH.

'Smokeping'-like summary and client-specific details: curl, firefox, chromium golang rustls python