purdue.edu
Updated:
2025-03-27 18:38:40 UTC (263 days ago)
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Notices
DNSSEC Authentication Chain
RRset status
Insecure (5)
- purdue.edu/A
- purdue.edu/MX
- purdue.edu/NS
- purdue.edu/SOA
- purdue.edu/TXT
Secure (2)
- edu/SOA
- edu/SOA
DNSKEY/DS/NSEC status
Secure (8)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 26470)
- ./DNSKEY (alg 8, id 38696)
- ./DNSKEY (alg 8, id 53148)
- NSEC3 proving non-existence of purdue.edu/DS
- edu/DNSKEY (alg 13, id 35663)
- edu/DNSKEY (alg 13, id 43203)
- edu/DS (alg 13, id 35663)
Delegation status
Insecure (1)
- edu to purdue.edu
Secure (1)
- . to edu
Notices
Errors (3)
- purdue.edu zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (128.210.224.234)
- purdue.edu/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.210.224.234, UDP_-_NOEDNS_)
- purdue.edu/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.210.224.234, UDP_-_NOEDNS_)
Warnings (5)
- edu to purdue.edu: Authoritative AAAA records exist for ns3.purdue.edu, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
- edu to purdue.edu: Authoritative AAAA records exist for ns4.purdue.edu, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
- edu to purdue.edu: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the edu zone): ns2.rice.edu See RFC 1034, Sec. 4.2.2.
- edu/DS (alg 13, id 35663): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (192.5.5.241, UDP_-_EDNS0_4096_D_KN)
- edu/DS (alg 13, id 35663): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (192.5.5.241, UDP_-_EDNS0_4096_D_KN)
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