udel.edu
Updated:
2021-08-09 17:57:08 UTC (1201 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Insecure (5)
- udel.edu/A
- udel.edu/MX
- udel.edu/NS
- udel.edu/SOA
- udel.edu/TXT
Secure (2)
- edu/SOA
- edu/SOA
DNSKEY/DS/NSEC status
Secure (6)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 26838)
- NSEC3 proving non-existence of udel.edu/DS
- edu/DNSKEY (alg 8, id 28065)
- edu/DNSKEY (alg 8, id 37868)
- edu/DS (alg 8, id 28065)
Delegation status
Insecure (1)
- edu to udel.edu
Secure (1)
- . to edu
Notices
Errors (19)
- udel.edu zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c)
- udel.edu zone: The server(s) responded over UDP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c)
- udel.edu zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (128.175.13.16, 128.175.13.17)
- udel.edu/A: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c, UDP_-_NOEDNS_)
- udel.edu/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.91.254.22, UDP_-_NOEDNS_)
- udel.edu/DNSKEY: No response was received from the server over UDP (tried 13 times). See RFC 1035, Sec. 4.2. (128.91.3.128, 128.91.251.33, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c, UDP_-_NOEDNS_)
- udel.edu/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c, UDP_-_EDNS0_512_D_KN)
- udel.edu/MX: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c, UDP_-_NOEDNS_)
- udel.edu/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c, UDP_-_EDNS0_512_D_KN)
- udel.edu/NS: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c, UDP_-_NOEDNS_)
- udel.edu/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (128.175.13.16, 128.175.13.17, TCP_-_EDNS0_4096_D_N)
- udel.edu/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
- udel.edu/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c, TCP_-_NOEDNS_)
- udel.edu/TXT: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.91.3.128, 128.91.251.33, 128.91.254.22, 2607:f470:1001::1:a, 2607:f470:1002::2:3, 2607:f470:1003::3:c, UDP_-_NOEDNS_)
- xwahtkfrej.udel.edu/A has errors; select the "Denial of existence" DNSSEC option to see them.
- udel.edu/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
- udel.edu/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
- udel.edu/NSEC3PARAM has errors; select the "Denial of existence" DNSSEC option to see them.
- udel.edu/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
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