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DNSViz: A DNS visualization tool

gpo.gov

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Bogus (3)
  • gpo.gov/A
  • gpo.gov/NS
  • gpo.gov/NSEC3PARAM
Secure (3)
  • gpo.gov/MX
  • gpo.gov/SOA
  • gpo.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./DNSKEY (alg 8, id 11019)
  • ./DNSKEY (alg 8, id 20326)
  • gov/DNSKEY (alg 8, id 40921)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • gpo.gov/DNSKEY (alg 8, id 28680)
  • gpo.gov/DNSKEY (alg 8, id 59506)
  • gpo.gov/DS (alg 8, id 59506)
Non_existent (1)
  • gpo.gov/DNSKEY (alg 8, id 41049)

Delegation statusDelegation status

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

NoticesNotices

Errors (14)
  • gpo.gov zone: The server(s) were not responsive to queries over TCP. (162.140.15.100, 162.140.254.200)
  • gpo.gov/A: No response was received from the server over TCP (tried 4 times). (162.140.254.200, TCP_-_EDNS0_4096_D)
  • gpo.gov/DNSKEY: No response was received from the server over UDP (tried 12 times). (162.140.15.100, UDP_-_NOEDNS_)
  • gpo.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). (162.140.15.100, UDP_-_EDNS0_512_D_KN)
  • gpo.gov/MX: No response was received from the server over UDP (tried 12 times). (162.140.15.100, UDP_-_NOEDNS_)
  • gpo.gov/MX: No response was received from the server over UDP (tried 4 times). (162.140.15.100, UDP_-_EDNS0_512_D_KN)
  • gpo.gov/NS: No response was received from the server over UDP (tried 12 times). (162.140.254.200, UDP_-_NOEDNS_)
  • gpo.gov/NSEC3PARAM: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (162.140.15.100, UDP_-_EDNS0_4096_)
  • gpo.gov/NSEC3PARAM: No response was received from the server over UDP (tried 10 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). (162.140.15.100, UDP_-_EDNS0_4096_D_KN)
  • gpo.gov/NSEC3PARAM: No response was received from the server over UDP (tried 12 times). (162.140.254.200, UDP_-_NOEDNS_)
  • gpo.gov/NSEC3PARAM: The DNSSEC records necessary to validate the response could not be retrieved from the server. (162.140.15.100, UDP_-_EDNS0_4096_D_KN)
  • gpo.gov/SOA: No response was received from the server over TCP (tried 3 times). (162.140.15.100, 162.140.254.200, TCP_-_EDNS0_4096_D_0x20, TCP_-_EDNS0_4096_D_N)
  • gpo.gov/SOA: No response was received from the server over UDP (tried 12 times). (162.140.15.100, UDP_-_NOEDNS_)
  • gpo.gov/TXT: No response was received from the server over TCP (tried 5 times). (162.140.15.100, TCP_-_EDNS0_4096_D_N)

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
Download: png | svg
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DNSSEC authentication graph