sendy.ventefidelite.com has an A (IPv4) record (159.203.4.211) 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 sendy.ventefidelite.com/159.203.4.211: Get "http://sendy.ventefidelite.com/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://sendy.ventefidelite.com/.well-known/acme-challenge/letsdebug-test (using initial IP 159.203.4.211)
@0ms: Dialing 159.203.4.211
@10000ms: Experienced error: context deadline exceeded
A test authorization for sendy.ventefidelite.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
159.203.4.211: Fetching http://sendy.ventefidelite.com/.well-known/acme-challenge/oFrJbWzwZIPc8hnepWSBELAUhyIkE14i4mNXFz9Cb9w: Timeout during connect (likely firewall problem)