https://community.letsencrypt.org/. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.
[15:48]
Certbot failed to authenticate some domains (authenticator: standalone). The Certificate Authority reported these problems:
Domain: api.muzieonline.com.br
Type: connection
Detail: 3.210.69.191: Fetching http://api.muzieonline.com.br/.well-known/acme-challenge/7PDsHiy-_-ShStAfw0jmfZLnvZ_8A4VVmVyRP2Q-j-k: Connection refused
Hint: The Certificate Authority failed to download the challenge files from the temporary standalone webserver started by Certbot on port 80. Ensure that the listed domains point to this machine and that it can accept inbound connections from the internet.
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