Turning on debug shows the handshake error on 2.2.1 too now
Nov 29 01:49:38 Loggie caddy[5186]: {“level”:“debug”,“ts”:1606614578.4891794,“logger”:“http.stdlib”,“msg”:“http: TLS handshake error from 17.179.144.226:2356: tls: no cipher suite supported by both client and server”}
These are the list Apple is supposed to support Setting Up Your Server | Apple Developer Documentation and this were the ones one the apple rep said to use in a forum Apple Pay Domain Verification Fail… | Apple Developer Forums.