cerb00apps.onesoft.es has an A (IPv4) record (185.31.23.208) 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 cerb00apps.onesoft.es/185.31.23.208: Get "http://cerb00apps.onesoft.es/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://cerb00apps.onesoft.es/.well-known/acme-challenge/letsdebug-test (using initial IP 185.31.23.208)
@0ms: Dialing 185.31.23.208
@10000ms: Experienced error: context deadline exceeded
A test authorization for cerb00apps.onesoft.es to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
185.31.23.208: Fetching http://cerb00apps.onesoft.es/.well-known/acme-challenge/DrG-5b-d9z0lgAoeL0am-OUMKtHKc0Wctx_vW86RQfg: Timeout during connect (likely firewall problem)