de to postbank.de: 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.
postbank.de zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (185.157.33.19)
postbank.de zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (185.157.33.32, 185.157.35.19)
postbank.de zone: There was an error resolving the following NS name(s) to address(es): ns1.postbank.de, ns2.postbank.de, ns3.postbank.de
postbank.de/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.157.33.19, 185.157.33.32, 185.157.35.19, UDP_-_NOEDNS_)
postbank.de/AAAA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.157.33.19, UDP_-_NOEDNS_)
postbank.de/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.157.33.19, UDP_-_NOEDNS_)
postbank.de/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (185.157.33.19, UDP_-_EDNS0_512_D_KN)
postbank.de/MX: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.157.33.19, UDP_-_NOEDNS_)
postbank.de/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (185.157.33.19, UDP_-_EDNS0_512_D_KN)
postbank.de/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.157.33.32, 185.157.35.19, UDP_-_NOEDNS_)
postbank.de/NSEC3PARAM: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.157.33.19, UDP_-_NOEDNS_)
postbank.de/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (185.157.33.19, TCP_-_EDNS0_4096_D_N)
postbank.de/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.157.33.19, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
postbank.de/TXT: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (185.157.33.19, UDP_-_NOEDNS_)
postbank.de/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
dpgou6aqr1.postbank.de/A has errors; select the "Denial of existence" DNSSEC option to see them.
postbank.de/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
RRSIG postbank.de/NS alg 7, id 12287: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
RRSIG postbank.de/NS alg 7, id 63119: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
postbank.de/NS: No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed. See RFC 6891, Sec. 6.1.2. (185.157.33.19, UDP_-_EDNS0_4096_D_KN)