Every 65 minutes; Let's Encrypt certificate renewal failed!

[ramin]

It’s possible that creating a DNS TXT record will get your certificate validated.

Can't replace certificate on one server/domain

Those strings of 43 characters trailing .well-known/acme-challenge are tokens that can be used for manually creating DNS TXT records that Let’s Encrypt is unable to process itself during DNS validation (the same way it’s unable to process the .well-known/acme-challenge directory during http validation). Sometimes a manual TXT record workaround gets results when all else fails. Under ideal conditions manually adding tokenized TXT records shouldn’t be necessary. Based on LE’s message “Timeout du…