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DNSViz: A DNS visualization tool

cancer.gov

Updated: 2024-07-30 20:45:42 UTC (50 days ago) Update now
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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (11)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • cancer.gov/DNSKEY (alg 8, id 22218)
  • cancer.gov/DNSKEY (alg 8, id 40045)
  • cancer.gov/DNSKEY (alg 8, id 46146)
  • cancer.gov/DNSKEY (alg 8, id 48514)
  • cancer.gov/DNSKEY (alg 8, id 49125)
  • cancer.gov/DS (alg 8, id 40045)
  • gov/DNSKEY (alg 13, id 2536)
  • gov/DNSKEY (alg 13, id 35496)
  • gov/DS (alg 13, id 2536)

Delegation statusDelegation status

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

NoticesNotices

Errors (4)
  • cancer.gov/CDNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 165.112.4.230, UDP_-_NOEDNS_)
  • cancer.gov/CDS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.231.64.1, 128.231.128.251, 165.112.4.230, UDP_-_NOEDNS_)
  • 12vs7.lhpor.cancer.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • cancer.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • ./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_512_D_KN)
  • 12vs7.lhpor.cancer.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cancer.gov/CNAME 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