> sudo ./letsencrypt-auto renew Updating letsencrypt and virtual environment dependencies...... Requesting root privileges to run with virtualenv: .../letsencrypt renew Processing <file>.conf 2016-03-29 00:10:14,812:WARNING:letsencrypt.cli:Attempting to renew cert from <file>.conf produced an unexpected error: Failed authorization procedure. app.gesnex.com (tls-sni-01): urn:acme:error:connection :: The server could not connect to the client to verify the domain :: DNS problem: query timed out looking up A for app.gesnex.com. Skipping. All renewal attempts failed. The following certs could not be renewed: <route>/fullchain.pem (failure) 1 renew failure(s), 0 parse failure(s) IMPORTANT NOTES: - The following errors were reported by the server: Domain: app.gesnex.com Type: connection Detail: DNS problem: query timed out looking up A for app.gesnex.com To fix these errors, please make sure that your domain name was entered correctly and the DNS A record(s) for that domain contain(s) the right IP address. Additionally, please check that your computer has a publicly routable IP address and that no firewalls are preventing the server from communicating with the client. If you're using the webroot plugin, you should also verify that you are serving files from the webroot path you provided.
But the A record is fine: http://mxtoolbox.com/SuperTool.aspx?action=a%3Aapp.gesnex.com&run=toolpage
What I’m doing wrong?