nextcloud.con20.xyz has an A (IPv4) record (80.162.33.206) 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.
A timeout was experienced while communicating with nextcloud.con20.xyz/80.162.33.206: Get "http://nextcloud.con20.xyz/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://nextcloud.con20.xyz/.well-known/acme-challenge/letsdebug-test (using initial IP 80.162.33.206)
@0ms: Dialing 80.162.33.206
@10001ms: Experienced error: context deadline exceeded
A test authorization for nextcloud.con20.xyz to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
80.162.33.206: Fetching http://nextcloud.con20.xyz/.well-known/acme-challenge/qOkegUvdD0ZpLgaO1acxAvl_f25BMCIV7XdisogeKgU: Timeout during connect (likely firewall problem)