A test authorization for ussheepdawg.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://ussheepdawg.org/.well-known/acme-challenge/kz1e7p6kUTPZjBXJa46Qk40MwkgaMtypb1mkJ0OvRQw: Timeout during connect (likely firewall problem)