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DNSViz: A DNS visualization tool

nrc.gov

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

RRset statusRRset status

Secure (6)
  • nrc.gov/A
  • nrc.gov/MX
  • nrc.gov/NS
  • nrc.gov/NSEC3PARAM
  • nrc.gov/SOA
  • nrc.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (14)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 30903)
  • gov/DNSKEY (alg 8, id 10104)
  • gov/DNSKEY (alg 8, id 49735)
  • gov/DNSKEY (alg 8, id 64280)
  • gov/DS (alg 8, id 64280)
  • nrc.gov/DNSKEY (alg 8, id 17389)
  • nrc.gov/DNSKEY (alg 8, id 3174)
  • nrc.gov/DNSKEY (alg 8, id 35376)
  • nrc.gov/DNSKEY (alg 8, id 36277)
  • nrc.gov/DS (alg 8, id 17389)
  • nrc.gov/DS (alg 8, id 17389)
  • nrc.gov/DS (alg 8, id 36277)
  • nrc.gov/DS (alg 8, id 36277)

Delegation statusDelegation status

Secure (2)
  • . to gov
  • gov to nrc.gov

NoticesNotices

Errors (6)
  • nrc.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2600:1480:4800::41)
  • nrc.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2600:1480:4800::41, UDP_-_NOEDNS_)
  • nrc.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2600:1480:4800::41, UDP_-_NOEDNS_)
  • nrc.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • knozv4p6la.nrc.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • nrc.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (12)
  • gov to nrc.gov: Authoritative AAAA records exist for ns1.nrc.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • nrc.gov/DS (alg 8, id 17389): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • nrc.gov/DS (alg 8, id 17389): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • nrc.gov/DS (alg 8, id 17389): 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.
  • nrc.gov/DS (alg 8, id 17389): 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.
  • nrc.gov/DS (alg 8, id 36277): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • nrc.gov/DS (alg 8, id 36277): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • nrc.gov/DS (alg 8, id 36277): 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.
  • nrc.gov/DS (alg 8, id 36277): 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.
  • nrc.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • knozv4p6la.nrc.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • nrc.gov/CNAME 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