ndu.edu
Updated:
2020-10-18 13:27:05 UTC (1544 days ago)
Go to most recent »
Notices
DNSSEC Authentication Chain
RRset status
DNSKEY/DS/NSEC status
Secure (7)
- ./DNSKEY (alg 8, id 20326)
- ./DNSKEY (alg 8, id 26116)
- edu/DNSKEY (alg 8, id 28065)
- edu/DNSKEY (alg 8, id 33233)
- edu/DNSKEY (alg 8, id 4250)
- edu/DS (alg 8, id 28065)
- ndu.edu/DS (alg 8, id 61744)
Non_existent (1)
- ndu.edu/DNSKEY (alg 8, id 61744)
Delegation status
Bogus (1)
- edu to ndu.edu
Secure (1)
- . to edu
Notices
Errors (18)
- edu to ndu.edu: 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.
- ndu.edu zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (216.21.19.239)
- ndu.edu zone: The server(s) responded over UDP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (216.21.19.239)
- ndu.edu zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (216.21.18.48)
- ndu.edu zone: There was an error resolving the following NS name(s) to address(es): ndudns01.ndu.edu, ndudns02.ndu.edu
- ndu.edu/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (216.21.18.48, UDP_-_NOEDNS_)
- ndu.edu/A: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (216.21.19.239, UDP_-_NOEDNS_)
- ndu.edu/AAAA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (216.21.19.239, UDP_-_NOEDNS_)
- ndu.edu/DNSKEY: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (216.21.19.239, UDP_-_EDNS0_512_D_K, UDP_-_NOEDNS_)
- ndu.edu/MX: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (216.21.19.239, UDP_-_EDNS0_512_D_K, UDP_-_NOEDNS_)
- ndu.edu/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (216.21.18.48, UDP_-_NOEDNS_)
- ndu.edu/NS: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (216.21.19.239, UDP_-_NOEDNS_)
- ndu.edu/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (216.21.19.239, TCP_-_NOEDNS_)
- ndu.edu/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (216.21.19.239, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
- ndu.edu/TXT: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (216.21.19.239, UDP_-_NOEDNS_)
- s853ki06qh.ndu.edu/A has errors; select the "Denial of existence" DNSSEC option to see them.
- ndu.edu/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
- ndu.edu/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
JavaScript is required to make the graph below interactive.
