helpdesk.lobar.com has an A (IPv4) record (12.167.144.227) 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 helpdesk.lobar.com/12.167.144.227: Get "http://helpdesk.lobar.com/.well-known/acme-challenge/letsdebug-test": dial tcp 12.167.144.227:80: i/o timeout
Trace:
@0ms: Making a request to http://helpdesk.lobar.com/.well-known/acme-challenge/letsdebug-test (using initial IP 12.167.144.227)
@0ms: Dialing 12.167.144.227
@10001ms: Experienced error: dial tcp 12.167.144.227:80: i/o timeout
A test authorization for helpdesk.lobar.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
12.167.144.227: Fetching http://helpdesk.lobar.com/.well-known/acme-challenge/sEIVHHJAjivNL8jQeiNbHd3PV0szh_TjQHnJ1itkW8g: Timeout during connect (likely firewall problem)