paytibiamacros.duckdns.org has an A (IPv4) record (187.36.230.228) 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 paytibiamacros.duckdns.org/187.36.230.228: Get "http://paytibiamacros.duckdns.org/.well-known/acme-challenge/letsdebug-test": dial tcp 187.36.230.228:80: i/o timeout
Trace:
@0ms: Making a request to http://paytibiamacros.duckdns.org/.well-known/acme-challenge/letsdebug-test (using initial IP 187.36.230.228)
@0ms: Dialing 187.36.230.228
@10000ms: Experienced error: dial tcp 187.36.230.228:80: i/o timeout
A test authorization for paytibiamacros.duckdns.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://paytibiamacros.duckdns.org/.well-known/acme-challenge/yFhdEcUmk2F-NzZE46Jo120VA_xKpk_Oe5SlWvAaNNE: Timeout during connect (likely firewall problem)