Help me!! When I run sudo certbot -v --nginx -d
trippae.com, it error:
Certbot failed to authenticate some domains (authenticator: nginx). The Certificate Authority reported these problems:
Detail: 2606:4700:3035::ac43:d9d1: Invalid response from https://api.trippae.com/.well-known/acme-challenge/cKmXhCMDk-XU1PlKBu2o4RRSd5a_swt5UNzine06m8c: 522
Hint: The Certificate Authority failed to verify the temporary nginx configuration changes made by Certbot. Ensure the listed domains point to this nginx server and that it is accessible from the internet.
Your domain DNS is proxied in Cloudflare so uses their CDN. The 522 error says the Cloudflare Edge cannot connect to your Origin server. See this Cloudflare community topic
Error Try the suggestions in this Community Tip to help you fix Error 522 “ERR CONNECTION TIMED OUT” in Google Chrome or “The connection has timed out” in Firefox. Background A 522 error happens when a TCP connection to the web server could not be...
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Note this 522 error is not unique to Let's Encrypt. I get the same error trying to reach your home page. Example test using IPv6:
curl -I6 https://trippae.com
date: Fri, 29 Jul 2022 15:06:49 GMT
(other headers omitted)