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DNSViz: A DNS visualization tool

nist.gov

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

RRset statusRRset status

Insecure (6)
  • nist.gov/A
  • nist.gov/AAAA
  • nist.gov/MX
  • nist.gov/NS
  • nist.gov/SOA
  • nist.gov/TXT
Secure (1)
  • gov/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of nist.gov/DS
  • gov/DNSKEY (alg 8, id 48498)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

Insecure (1)
  • gov to nist.gov
Secure (1)
  • . to gov

NoticesNotices

Errors (9)
  • NSEC3 proving non-existence of nist.gov/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 nist.gov/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • nist.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (129.6.13.3, 129.6.13.4)
  • nist.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (132.163.4.10, 132.163.4.11, 2610:20:6005:13::3, 2610:20:6005:13::4, 2610:20:6b01:4::10, 2610:20:6b01:4::11)
  • nist.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (132.163.4.10, 132.163.4.11, 2610:20:6005:13::3, 2610:20:6005:13::4, 2610:20:6b01:4::10, 2610:20:6b01:4::11, UDP_-_NOEDNS_)
  • nist.gov/MX: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (129.6.13.4, UDP_-_NOEDNS_)
  • nist.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (132.163.4.10, 132.163.4.11, 2610:20:6005:13::3, 2610:20:6005:13::4, 2610:20:6b01:4::10, 2610:20:6b01:4::11, UDP_-_NOEDNS_)
  • nist.gov/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (129.6.13.3, 129.6.13.4, TCP_-_EDNS0_4096_D_N)
  • nist.gov/DS has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (4)
  • NSEC3 proving non-existence of nist.gov/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of nist.gov/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • gov to nist.gov: A glue records exist for bea2.nist.gov, but there are no corresponding authoritative A records. See RFC 1034, Sec. 4.2.2.
  • nist.gov/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