A test authorization for enterprise.efax.com.au to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Error creating new order :: Cannot issue for "enterprise.efax.com.au": Policy forbids issuing for name
Requests made to the domain
Request to: enterprise.efax.com.au/151.101.2.159, Result: [Address=151.101.2.159,Address Type=IPv4,Server=Cowboy,HTTP Status=301,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://enterprise.efax.com.au/.well-known/acme-challenge/letsdebug-test (using initial IP 151.101.2.159)
@0ms: Dialing 151.101.2.159
@206ms: Server response: HTTP 301 Moved Permanently
@206ms: Received redirect to http://acme.certmanager.io/.well-known/acme-challenge/letsdebug-test
@9005ms: Dialing 3.225.101.71
@9035ms: Server response: HTTP 404 Not Found
The IANA public suffix is the TLD of the Registered Domain
The TLD for enterprise.efax.com.au is: com.au