www.afne.com.br has an A (IPv4) record (177.92.122.198) 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 "http://www.afne.com.br/.well-known/acme-challenge/letsdebug-test": dial tcp 177.92.122.198:80: connect: connection refused
Trace:
@0ms: Making a request to http://www.afne.com.br/.well-known/acme-challenge/letsdebug-test (using initial IP 177.92.122.198)
@0ms: Dialing 177.92.122.198
@218ms: Experienced error: dial tcp 177.92.122.198:80: connect: connection refused
A test authorization for www.afne.com.br to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
177.92.122.198: Fetching http://www.afne.com.br/.well-known/acme-challenge/EW2h00Un2hE7mxPLgb-WjqsQQHaLFGbLHwFx21LgnBc: Connection refused