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DNSViz: A DNS visualization tool

harvard.edu

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

RRset statusRRset status

Insecure (7)
  • harvard.edu/A
  • harvard.edu/AAAA
  • harvard.edu/MX
  • harvard.edu/NS
  • harvard.edu/NSEC3PARAM
  • harvard.edu/SOA
  • harvard.edu/TXT
Secure (2)
  • edu/SOA
  • edu/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Insecure (4)
  • harvard.edu/DNSKEY (alg 13, id 2258)
  • harvard.edu/DNSKEY (alg 13, id 29727)
  • harvard.edu/DNSKEY (alg 13, id 38415)
  • harvard.edu/DNSKEY (alg 13, id 9215)
Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 46780)
  • NSEC3 proving non-existence of harvard.edu/DS
  • edu/DNSKEY (alg 13, id 35663)
  • edu/DNSKEY (alg 13, id 7003)
  • edu/DS (alg 13, id 35663)

Delegation statusDelegation status

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

NoticesNotices

Errors (3)
  • harvard.edu zone: The server(s) were not responsive to queries over UDP. (193.108.91.171, 2600:1406:32::41)
  • harvard.edu/A: No response was received from the server over UDP (tried 12 times). (193.108.91.171, 2600:1406:32::41, UDP_-_NOEDNS_)
  • harvard.edu/NS: No response was received from the server over UDP (tried 12 times). (193.108.91.171, 2600:1406:32::41, UDP_-_NOEDNS_)

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
Download: png | svg
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DNSSEC authentication graph