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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 (38)
  • 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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (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. See RFC 4035, Sec. 3.2.1. (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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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). See RFC 6891, Sec. 6.1.4. (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. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (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. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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). See RFC 1035, Sec. 4.2. (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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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). See RFC 1035, Sec. 4.2. (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. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (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). See RFC 1035, Sec. 4.2. (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. See RFC 4035, Sec. 3.2.1. (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). See RFC 6891, Sec. 6.1.4. (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. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (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. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (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. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11. (2.22.230.64, 2600:1480:800::40, TCP_-_EDNS0_4096_)
  • cpsc.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • cpsc.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • 31kd9if06y.cpsc.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (6)
  • cpsc.gov/DS (alg 8, id 14701): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • cpsc.gov/DS (alg 8, id 14701): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • 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. See RFC 4509, Sec. 3.
  • 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. See RFC 4509, Sec. 3.
  • cpsc.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • 31kd9if06y.cpsc.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
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DNSSEC authentication graph