View on GitHub

DNSViz: A DNS visualization tool

itap.gov

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

RRset statusRRset status

Bogus (6)
  • itap.gov/A
  • itap.gov/MX
  • itap.gov/NS
  • itap.gov/NSEC3PARAM
  • itap.gov/SOA
  • itap.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Bogus (2)
  • itap.gov/DNSKEY (alg 8, id 21333)
  • itap.gov/DNSKEY (alg 8, id 54244)
Secure (7)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 5613)
  • gov/DNSKEY (alg 13, id 2536)
  • gov/DNSKEY (alg 13, id 35496)
  • gov/DS (alg 13, id 2536)
  • itap.gov/DS (alg 8, id 43747)
Non_existent (1)
  • itap.gov/DNSKEY (alg 8, id 43747)

Delegation statusDelegation status

Bogus (1)
  • gov to itap.gov
Secure (1)
  • . to gov

NoticesNotices

Errors (7)
  • gov to itap.gov: 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. (199.141.126.202, 199.141.126.206, 2600:12f0:0:ac04::202, 2600:12f0:0:ac04::206, UDP_-_EDNS0_4096_D_KN)
  • gov to itap.gov: The DS RRset for the zone included algorithm 8 (RSASHA256), but no DS RR matched a DNSKEY with algorithm 8 that signs the zone's DNSKEY RRset. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (199.141.126.202, 199.141.126.206, 2600:12f0:0:ac04::202, 2600:12f0:0:ac04::206, UDP_-_EDNS0_4096_D_KN)
  • itap.gov/CDNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (199.141.126.202, 199.141.126.206, 2600:12f0:0:ac04::202, 2600:12f0:0:ac04::206, UDP_-_NOEDNS_)
  • itap.gov/CDS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (199.141.126.202, 199.141.126.206, 2600:12f0:0:ac04::202, 2600:12f0:0:ac04::206, UDP_-_NOEDNS_)
  • itap.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • itap.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • 34pfv.ukvmo.itap.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • itap.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • itap.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • 34pfv.ukvmo.itap.gov/A 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
Download: png | svg
Warning JavaScript is required to make the graph below interactive.
DNSSEC authentication graph