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DNSViz: A DNS visualization tool

permanent.access.gpo.gov

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

RRset statusRRset status

Bogus (1)
  • permanent.access.gpo.gov/A

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 33853)
  • NSEC3 proving non-existence of access.gpo.gov/DS
  • NSEC3 proving non-existence of access.gpo.gov/DS
  • gov/DNSKEY (alg 8, id 36558)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • gpo.gov/DNSKEY (alg 8, id 11991)
  • gpo.gov/DNSKEY (alg 8, id 51334)
  • gpo.gov/DS (alg 8, id 51334)
  • gpo.gov/DS (alg 8, id 51334)

Delegation statusDelegation status

Bogus (1)
  • gpo.gov to access.gpo.gov
Secure (2)
  • . to gov
  • gov to gpo.gov

NoticesNotices

Errors (10)
  • NSEC3 proving non-existence of access.gpo.gov/DS: No NSEC3 RR matches the SNAME (access.gpo.gov).
  • NSEC3 proving non-existence of access.gpo.gov/DS: No NSEC3 RR matches the SNAME (access.gpo.gov).
  • NSEC3 proving non-existence of access.gpo.gov/DS: No NSEC3 RR matches the SNAME (access.gpo.gov).
  • NSEC3 proving non-existence of access.gpo.gov/DS: No NSEC3 RR matches the SNAME (access.gpo.gov).
  • RRSIG permanent.access.gpo.gov/A alg 8, id 11991: The Signer's Name field of the RRSIG RR (gpo.gov) does not match the name of the zone containing the RRset (access.gpo.gov).
  • RRSIG permanent.access.gpo.gov/A alg 8, id 11991: The Signer's Name field of the RRSIG RR (gpo.gov) does not match the name of the zone containing the RRset (access.gpo.gov).
  • access.gpo.gov/DNSKEY: The response (456 bytes) was malformed. (162.140.64.100, 162.140.252.180, UDP_-_EDNS0_512_D_K)
  • gov zone: The server(s) were not responsive to queries over UDP. (2620:74:29::2:30)
  • gpo.gov to access.gpo.gov: No SOA RR was returned with the NODATA response. (162.140.64.100, 162.140.252.180, UDP_-_EDNS0_4096_D_K)
  • gpo.gov/DNSKEY: The response (449 bytes) was malformed. (162.140.64.100, 162.140.252.180, UDP_-_EDNS0_512_D_K)
Warnings (10)
  • RRSIG NSEC3 proving non-existence of access.gpo.gov/DS alg 8, id 11991: The value of the Signature Inception field of the RRSIG RR (2020-03-13 15:01:25+00:00) is within possible clock skew range (17 seconds) of the current time (2020-03-13 15:01:42+00:00).
  • RRSIG NSEC3 proving non-existence of access.gpo.gov/DS alg 8, id 11991: The value of the Signature Inception field of the RRSIG RR (2020-03-13 15:01:25+00:00) is within possible clock skew range (17 seconds) of the current time (2020-03-13 15:01:42+00:00).
  • gov/DS (alg 8, id 7698): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • gov/DS (alg 8, id 7698): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • gov/DS (alg 8, id 7698): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • gov/DS (alg 8, id 7698): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • gpo.gov/DS (alg 8, id 51334): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • gpo.gov/DS (alg 8, id 51334): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • gpo.gov/DS (alg 8, id 51334): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • gpo.gov/DS (alg 8, id 51334): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.

DNSKEY legend

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