Sending an ACME HTTP validation request to coffebuisness.shop results in unexpected HTTP response 503 Service Unavailable. This indicates that the webserver is misconfigured or misbehaving.
503 Service Unavailable
<html><body><h1>503 Service Unavailable</h1>
No server is available to handle this request.
</body></html>
Trace:
@0ms: Making a request to http://coffebuisness.shop/.well-known/acme-challenge/letsdebug-test (using initial IP 89.47.249.4)
@0ms: Dialing 89.47.249.4
@71ms: Server response: HTTP 503 Service Unavailable