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DNSViz: A DNS visualization tool

ac.uk

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

RRset statusRRset status

Secure (3)
  • ac.uk/NS
  • ac.uk/NSEC3PARAM
  • ac.uk/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 11019)
  • ./DNSKEY (alg 8, id 20326)
  • ac.uk/DNSKEY (alg 8, id 45874)
  • ac.uk/DNSKEY (alg 8, id 52800)
  • ac.uk/DNSKEY (alg 8, id 54274)
  • ac.uk/DNSKEY (alg 8, id 63490)
  • ac.uk/DS (alg 8, id 45874)
  • uk/DNSKEY (alg 8, id 43056)
  • uk/DNSKEY (alg 8, id 43876)
  • uk/DS (alg 8, id 43876)

Delegation statusDelegation status

Secure (2)
  • . to uk
  • uk to ac.uk

NoticesNotices

Errors (10)
  • ac.uk zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (128.86.1.20, 193.62.157.66, 193.63.94.20, 193.63.105.17, 193.63.106.103, 198.6.1.83)
  • ac.uk/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (128.86.1.20, 193.62.157.66, 193.63.94.20, 193.63.105.17, 193.63.106.103, 198.6.1.83, UDP_-_EDNS0_4096_D_KN)
  • ac.uk/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (128.86.1.20, 193.62.157.66, 193.63.94.20, 193.63.105.17, 193.63.106.103, 198.6.1.83, TCP_-_EDNS0_4096_D_N)
  • ac.uk/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • ac.uk/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • ac.uk/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • ac.uk/MX has errors; select the "Denial of existence" DNSSEC option to see them.
  • ac.uk/TXT has errors; select the "Denial of existence" DNSSEC option to see them.
  • 1btc63m25a.ac.uk/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • ac.uk/DNSKEY has errors; 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