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DNSViz: A DNS visualization tool

cornell.edu

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
  9. |?|
  10. |?|
Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (5)
  • cornell.edu/A
  • cornell.edu/MX
  • cornell.edu/NS
  • cornell.edu/SOA
  • cornell.edu/TXT
Secure (2)
  • edu/SOA
  • edu/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 60955)
  • NSEC3 proving non-existence of cornell.edu/DS
  • edu/DNSKEY (alg 8, id 28065)
  • edu/DNSKEY (alg 8, id 30503)
  • edu/DS (alg 8, id 28065)

Delegation statusDelegation status

Insecure (1)
  • edu to cornell.edu
Secure (1)
  • . to edu

NoticesNotices

Errors (3)
  • cornell.edu zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (192.195.74.252)
  • cornell.edu/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (192.195.74.252, UDP_-_NOEDNS_)
  • cornell.edu/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (192.195.74.252, UDP_-_NOEDNS_)
Warnings (1)
  • edu to cornell.edu: The glue address(es) for drdns.cit.cornell.edu (192.195.74.252) differed from its authoritative address(es) (52.152.185.125). See RFC 1034, Sec. 4.2.2.

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
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DNSSEC authentication graph