rwth-aachen.de zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (193.174.75.50, 2001:638:d:b101::1)
rwth-aachen.de/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (193.174.75.50, 2001:638:d:b101::1, UDP_-_NOEDNS_)
rwth-aachen.de/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (193.174.75.50, 2001:638:d:b101::1, UDP_-_NOEDNS_)
h9wui063fd.rwth-aachen.de/A has errors; select the "Denial of existence" DNSSEC option to see them.
rwth-aachen.de/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (2)
h9wui063fd.rwth-aachen.de/A has warnings; select the "Denial of existence" DNSSEC option to see them.
rwth-aachen.de/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.