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DNSViz: A DNS visualization tool

airnow.gov

Updated: 2024-02-15 02:55:15 UTC (125 days ago) Update now
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DNSSEC options (hide)
  1. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (6)
  • airnow.gov/A
  • airnow.gov/AAAA
  • airnow.gov/NS
  • airnow.gov/NSEC3PARAM
  • airnow.gov/SOA
  • airnow.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 30903)
  • airnow.gov/DNSKEY (alg 8, id 13180)
  • airnow.gov/DNSKEY (alg 8, id 22015)
  • airnow.gov/DNSKEY (alg 8, id 27456)
  • airnow.gov/DNSKEY (alg 8, id 30444)
  • airnow.gov/DNSKEY (alg 8, id 49539)
  • airnow.gov/DS (alg 8, id 22015)
  • 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 airnow.gov

NoticesNotices

Errors (7)
  • airnow.gov/AAAA: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (161.80.212.5, UDP_-_NOEDNS_)
  • airnow.gov/AAAA: No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (161.80.212.5, UDP_-_EDNS0_4096_D_KN)
  • airnow.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. (161.80.212.5, UDP_-_EDNS0_4096_D_KN)
  • airnow.gov/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (134.67.12.5, 134.67.12.15, 161.80.212.5, 161.80.212.15, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
  • 5ico1mkwfu.airnow.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • airnow.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • airnow.gov/MX has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • 5ico1mkwfu.airnow.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • airnow.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • airnow.gov/MX 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