A test authorization for nextcloud.panaccio.family to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
80.253.88.254: Fetching http://nextcloud.panaccio.family/.well-known/acme-challenge/lsitFCJ7z5u8lFJaiNfFFBSgWC4nLxtw9DHdhUqAOKg: Timeout during connect (likely firewall problem)