ssl issues for wordpress access using custome domain name

Confirmated that it was working with HTTPS.
The specific error log: GET /.well-known/acme-challenge/... HTTP/1.1" 404 at
Mention the SSL Labs results show "No secure protocols supported".
AI gemini thinks "suspect a platform-level ACME renewal failure possibly due to internal routing or their ACME handler not responding correctly to the HTTP-01 challenge. Ask them to investigate their edge logs and certificate provisioning system for your domain."
Meanwhile, I got error message "ERR_CONNECTION_RESET"
and the custome domain name is still pending status