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DNSViz: A DNS visualization tool

cpsc.gov

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (8)
  • cpsc.gov/A
  • cpsc.gov/AAAA
  • cpsc.gov/AAAA
  • cpsc.gov/MX
  • cpsc.gov/NS
  • cpsc.gov/NSEC3PARAM
  • cpsc.gov/SOA
  • cpsc.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 14748)
  • ./DNSKEY (alg 8, id 20326)
  • cpsc.gov/DNSKEY (alg 8, id 14701)
  • cpsc.gov/DNSKEY (alg 8, id 35880)
  • cpsc.gov/DNSKEY (alg 8, id 52875)
  • cpsc.gov/DS (alg 8, id 14701)
  • cpsc.gov/DS (alg 8, id 14701)
  • gov/DNSKEY (alg 8, id 6229)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

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

NoticesNotices

Errors (35)
  • cpsc.gov/A: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_)
  • cpsc.gov/A: 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). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/A: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/AAAA: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, UDP_-_EDNS0_4096_)
  • cpsc.gov/AAAA: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2600:1480:800::40, UDP_-_EDNS0_4096_)
  • cpsc.gov/AAAA: 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). (2.22.230.64, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/AAAA: 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). (2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/AAAA: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2.22.230.64, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/AAAA: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/DNSKEY (alg 8, id 14701): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, 2600:1480:800::40, TCP_-_EDNS0_4096_)
  • cpsc.gov/DNSKEY (alg 8, id 14701): 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). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/DNSKEY (alg 8, id 35880): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, 2600:1480:800::40, TCP_-_EDNS0_4096_)
  • cpsc.gov/DNSKEY (alg 8, id 35880): 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). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/DNSKEY (alg 8, id 52875): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, 2600:1480:800::40, TCP_-_EDNS0_4096_)
  • cpsc.gov/DNSKEY (alg 8, id 52875): 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). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_512_D_KN)
  • cpsc.gov/MX: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_)
  • cpsc.gov/MX: 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). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/MX: No response was received from the server over UDP (tried 4 times). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_512_D_KN)
  • cpsc.gov/MX: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/NS: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_)
  • cpsc.gov/NS: 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). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/NS: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/NSEC3PARAM: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_)
  • cpsc.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). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/NSEC3PARAM: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/SOA: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_, UDP_-_EDNS0_4096__0x20)
  • cpsc.gov/SOA: 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). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • cpsc.gov/SOA: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • cpsc.gov/SOA: There was an error communicating with the server over TCP (UNKNOWN). (2.22.230.64, 2600:1480:800::40, TCP_-_EDNS0_4096_D_N)
  • cpsc.gov/TXT: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 10 times) with the DO bit set. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_)
  • cpsc.gov/TXT: 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). (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • cpsc.gov/TXT: The DNSSEC records necessary to validate the response could not be retrieved from the server. (2.22.230.64, 2600:1480:800::40, UDP_-_EDNS0_4096_D_KN)
  • gov to cpsc.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. (2.22.230.64, 2600:1480:800::40, TCP_-_EDNS0_4096_)
  • gov to cpsc.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. (2.22.230.64, 2600:1480:800::40, TCP_-_EDNS0_4096_)
Warnings (4)
  • cpsc.gov/DS (alg 8, id 14701): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • cpsc.gov/DS (alg 8, id 14701): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • cpsc.gov/DS (alg 8, id 14701): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • cpsc.gov/DS (alg 8, id 14701): 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