test.h43.ru has an A (IPv4) record (46.255.97.130) 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 test.h43.ru/46.255.97.130: Get "http://test.h43.ru/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://test.h43.ru/.well-known/acme-challenge/letsdebug-test (using initial IP 46.255.97.130)
@0ms: Dialing 46.255.97.130
@10000ms: Experienced error: context deadline exceeded