rwth-aachen.de zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2a00:8a60:0:4::9, 2a00:8a60:0:5::9)
rwth-aachen.de/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2a00:8a60:0:4::9, 2a00:8a60:0:5::9, UDP_-_NOEDNS_)
rwth-aachen.de/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2a00:8a60:0:4::9, 2a00:8a60:0:5::9, UDP_-_NOEDNS_)
3sup4k7n9f.rwth-aachen.de/A has errors; select the "Denial of existence" DNSSEC option to see them.
rwth-aachen.de/AAAA 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 (3)
3sup4k7n9f.rwth-aachen.de/A has warnings; select the "Denial of existence" DNSSEC option to see them.
rwth-aachen.de/AAAA 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.