pqr.neroth.org has an A (IPv4) record (173.228.91.174) 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/173.228.91.174: Get http://pqr.neroth.org/.well-known/acme-challenge/letsdebug-test: context deadline exceeded
Trace:
@0ms: Making a request to http://pqr.neroth.org/.well-known/acme-challenge/letsdebug-test (using initial IP 173.228.91.174)
@0ms: Dialing 173.228.91.174
@10000ms: Experienced error: context deadline exceeded
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/4_XtAie93SxS6hSB_wFY-B_NhmeUVL2UAQwyltWw7_g: Timeout during connect (likely firewall problem)