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DNSViz: A DNS visualization tool

usno.navy.mil

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
  9. |?|
  10. |?|
Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (3)
  • usno.navy.mil/NS
  • usno.navy.mil/SOA
  • usno.navy.mil/TXT
Secure (1)
  • navy.mil/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 5613)
  • NSEC3 proving non-existence of usno.navy.mil/DS
  • mil/DNSKEY (alg 8, id 16801)
  • mil/DNSKEY (alg 8, id 25501)
  • mil/DNSKEY (alg 8, id 45154)
  • mil/DS (alg 8, id 16801)
  • navy.mil/DNSKEY (alg 8, id 37189)
  • navy.mil/DNSKEY (alg 8, id 47718)
  • navy.mil/DNSKEY (alg 8, id 8425)
  • navy.mil/DS (alg 8, id 8425)
  • navy.mil/DS (alg 8, id 8425)

Delegation statusDelegation status

Insecure (1)
  • navy.mil to usno.navy.mil
Secure (2)
  • . to mil
  • mil to navy.mil

NoticesNotices

Errors (11)
  • NSEC3 proving non-existence of usno.navy.mil/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of usno.navy.mil/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • mil zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2608:120:c:162::234, 2608:140:c:157::234, 2608:4163:1:143::234, 2608:c144:1:155::234, 2608:c184:1:180::234)
  • navy.mil zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2608:102:0:182d:1001:9012:c00:21, 2608:125:0:1811:1001:9012:f00:21, 2608:145:0:180b:1001:9012:d00:21, 2608:4122:0:1012:1001:9012:1400:11, 2608:c182::1001:9012:1600:11)
  • navy.mil/SOA: No RRSIG covering the RRset was returned in the response. See RFC 4035, Sec. 3.1.1. (152.229.110.235, 214.23.245.4, UDP_-_EDNS0_4096_D_KN)
  • usno.navy.mil zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2608:120:c:162::243, 2608:4122:2:154::243, 2608:4163:1:143::243, 2608:c144:1:155::243, 2608:c184:1:180::243)
  • usno.navy.mil/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (215.65.126.180, UDP_-_EDNS0_512_D_KN)
  • usno.navy.mil/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2608:120:c:162::243, 2608:4122:2:154::243, 2608:4163:1:143::243, 2608:c144:1:155::243, 2608:c184:1:180::243, UDP_-_NOEDNS_)
  • usno.navy.mil/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • usno.navy.mil/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • usno.navy.mil/DS has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (13)
  • NSEC3 proving non-existence of usno.navy.mil/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of usno.navy.mil/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • mil to navy.mil: AAAA glue records exist for ns.cybercom.mil, but there are no corresponding authoritative AAAA records. See RFC 1034, Sec. 4.2.2.
  • mil to navy.mil: AAAA glue records exist for ns.jtfgno.mil, but there are no corresponding authoritative AAAA records. See RFC 1034, Sec. 4.2.2.
  • mil to navy.mil: AAAA glue records exist for ns1.csd.disa.mil, but there are no corresponding authoritative AAAA records. See RFC 1034, Sec. 4.2.2.
  • mil to navy.mil: AAAA glue records exist for uforiftr01.csd.disa.mil, but there are no corresponding authoritative AAAA records. See RFC 1034, Sec. 4.2.2.
  • mil to navy.mil: AAAA glue records exist for updciftr01.csd.disa.mil, but there are no corresponding authoritative AAAA records. See RFC 1034, Sec. 4.2.2.
  • navy.mil/DS (alg 8, id 8425): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • navy.mil/DS (alg 8, id 8425): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • navy.mil/DS (alg 8, id 8425): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • navy.mil/DS (alg 8, id 8425): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • usno.navy.mil/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • usno.navy.mil/DS has warnings; select the "Denial of existence" DNSSEC option to see them.

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
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DNSSEC authentication graph