xn--ambrozzinabeb-1hb.com has an A (IPv4) record (54.232.92.235) but a request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address.
Get "https://www.xn--ambrozzinabeb-1hb.com/.well-known/acme-challenge/letsdebug-test": DNS response for www.xn--ambrozzinabeb-1hb.com/AAAA did not have an acceptable response code: SERVFAIL
Trace:
@0ms: Making a request to http://xn--ambrozzinabeb-1hb.com/.well-known/acme-challenge/letsdebug-test (using initial IP 54.232.92.235)
@0ms: Dialing 54.232.92.235
@266ms: Server response: HTTP 301 MOVED PERMANENTLY
@266ms: Received redirect to https://www.xn--ambrozzinabeb-1hb.com/.well-known/acme-challenge/letsdebug-test
@3056ms: Experienced error: DNS response for www.xn--ambrozzinabeb-1hb.com/AAAA did not have an acceptable response code: SERVFAIL