vps.niceatc.com.br has an A (IPv4) record (134.65.233.251) 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 vps.niceatc.com.br/134.65.233.251: Get "http://vps.niceatc.com.br/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://vps.niceatc.com.br/.well-known/acme-challenge/letsdebug-test (using initial IP 134.65.233.251)
@0ms: Dialing 134.65.233.251
@10000ms: Experienced error: context deadline exceeded
A test authorization for vps.niceatc.com.br to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
134.65.233.251: Fetching http://vps.niceatc.com.br/.well-known/acme-challenge/VIOFpQ3KXkscWH3yA-FaB9M7uybpI0CAwmoykZlsPwM: Timeout during connect (likely firewall problem)