admin.ch zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (212.103.72.85, 2a00:c38:2:28:0:ffff:d467:4855)
admin.ch zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (162.23.37.16, 162.23.37.160)
admin.ch/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (162.23.37.16, 162.23.37.160, UDP_-_NOEDNS_)
admin.ch/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (212.103.72.85, 2a00:c38:2:28:0:ffff:d467:4855, UDP_-_EDNS0_4096_D_KN)
admin.ch/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (162.23.37.16, 162.23.37.160, UDP_-_NOEDNS_)
admin.ch/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (212.103.72.85, 2a00:c38:2:28:0:ffff:d467:4855, TCP_-_EDNS0_4096_D_N)
ch to admin.ch: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11.
admin.ch/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.