bank to meine.bank: 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.
meine.bank zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (91.209.112.49, 91.209.112.50)
meine.bank zone: There was an error resolving the following NS name(s) to address(es): dns1.meine.bank, dns2.meine.bank
meine.bank/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (91.209.112.49, 91.209.112.50, UDP_-_NOEDNS_)
meine.bank/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (91.209.112.49, 91.209.112.50, UDP_-_NOEDNS_)