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DNSViz: A DNS visualization tool

cisa.gov

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

RRset statusRRset status

Secure (7)
  • cisa.gov/A
  • cisa.gov/AAAA
  • cisa.gov/MX
  • cisa.gov/NS
  • cisa.gov/NSEC3PARAM
  • cisa.gov/SOA
  • cisa.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 30903)
  • cisa.gov/DNSKEY (alg 8, id 47286)
  • cisa.gov/DNSKEY (alg 8, id 52035)
  • cisa.gov/DNSKEY (alg 8, id 6487)
  • cisa.gov/DS (alg 8, id 6487)
  • gov/DNSKEY (alg 8, id 10104)
  • gov/DNSKEY (alg 8, id 49735)
  • gov/DNSKEY (alg 8, id 64280)
  • gov/DS (alg 8, id 64280)

Delegation statusDelegation status

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

NoticesNotices

Errors (5)
  • cisa.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2600:1406:32::40)
  • cisa.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2600:1406:32::40, UDP_-_NOEDNS_)
  • cisa.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2600:1406:32::40, UDP_-_NOEDNS_)
  • cisa.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • kv5upfijad.cisa.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • cisa.gov/SOA: No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (23.211.132.67, UDP_-_EDNS0_4096_D_KN)
  • cisa.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • kv5upfijad.cisa.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