Let's Debug

Test result for pqr.neroth.org using http-01

pqr.neroth.org has an A (IPv4) record ( 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 pqr.neroth.org/ Get http://pqr.neroth.org/.well-known/acme-challenge/letsdebug-test: dial tcp i/o timeout

@0ms: Making a request to http://pqr.neroth.org/.well-known/acme-challenge/letsdebug-test (using initial IP
@0ms: Dialing
@10000ms: Experienced error: dial tcp i/o timeout
A test authorization for pqr.neroth.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://pqr.neroth.org/.well-known/acme-challenge/dgu0a-CpnBEH-fdkXIDeJXV99o5Ft_IRXWHip8eleXM: Timeout during connect (likely firewall problem)

Submitted Jan 22 01:17:51 2019. Sat in queue for 2ms. Completed in 23s. Show verbose information.