tangaradaserra.mt.gov.br has an A (IPv4) record (177.190.246.22) 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 tangaradaserra.mt.gov.br/177.190.246.22: Get "http://tangaradaserra.mt.gov.br/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://tangaradaserra.mt.gov.br/.well-known/acme-challenge/letsdebug-test (using initial IP 177.190.246.22)
@0ms: Dialing 177.190.246.22
@10000ms: Experienced error: context deadline exceeded
A test authorization for tangaradaserra.mt.gov.br to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
177.190.246.22: Fetching http://tangaradaserra.mt.gov.br/.well-known/acme-challenge/yFAsi8aYcoYQOqOmQXJvD7p26RDQGgkkBiuwKDu01ls: Timeout during connect (likely firewall problem)
The current status as reported by the Let's Encrypt status page is Degraded Performance as at 2022-11-22 07:35:35.096 +0000 UTC. Depending on the reported problem, this may affect certificate issuance. For more information, please visit the status page.
https://letsencrypt.status.io/