obrien-pifer.com has an A (IPv4) record (108.212.144.25) 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 obrien-pifer.com/108.212.144.25: Get "http://obrien-pifer.com/.well-known/acme-challenge/letsdebug-test": dial tcp 108.212.144.25:80: i/o timeout
Trace:
@0ms: Making a request to http://obrien-pifer.com/.well-known/acme-challenge/letsdebug-test (using initial IP 108.212.144.25)
@0ms: Dialing 108.212.144.25
@10001ms: Experienced error: dial tcp 108.212.144.25:80: i/o timeout
A test authorization for obrien-pifer.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
108.212.144.25: Fetching http://obrien-pifer.com/.well-known/acme-challenge/SRSRxOT6CsDGbR-LWxCeZnarK1OA3t0d3tG-1khEXZM: Timeout during connect (likely firewall problem)