A test authorization for books.darkvirtue.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
156.96.60.101: Timeout during connect (likely firewall problem)
CAA records control authorization for certificate authorities to issue certificates for a domain
darkvirtue.com. 0 IN CAA 0 issue "letsencrypt.org"
darkvirtue.com. 0 IN CAA 0 issuewild ";"
Challenge update failures for books.darkvirtue.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/5692296954
acme: error code 400 "urn:ietf:params:acme:error:connection": 156.96.60.101: Timeout during connect (likely firewall problem)
The IANA public suffix is the TLD of the Registered Domain
The TLD for books.darkvirtue.com is: com
The current status.io status for Let's Encrypt
Operational