nextcloud22.net has an A (IPv4) record (208.104.38.94) 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 nextcloud22.net/208.104.38.94: Get "http://nextcloud22.net/.well-known/acme-challenge/letsdebug-test": dial tcp 208.104.38.94:80: i/o timeout
Trace:
@0ms: Making a request to http://nextcloud22.net/.well-known/acme-challenge/letsdebug-test (using initial IP 208.104.38.94)
@0ms: Dialing 208.104.38.94
@10001ms: Experienced error: dial tcp 208.104.38.94:80: i/o timeout
An internal error occurred while checking the domain
An unknown issue occurred when performing a test authorization against the Let's Encrypt staging service: acme: challenge update timeout