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DNSViz: A DNS visualization tool

gov.uk

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

RRset statusRRset status

Secure (9)
  • gov.uk/A
  • gov.uk/AAAA
  • gov.uk/NS
  • gov.uk/NS
  • gov.uk/NSEC3PARAM
  • gov.uk/NSEC3PARAM
  • gov.uk/SOA
  • gov.uk/SOA
  • gov.uk/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (15)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 5613)
  • gov.uk/DNSKEY (alg 8, id 16180)
  • gov.uk/DNSKEY (alg 8, id 17539)
  • gov.uk/DNSKEY (alg 8, id 18198)
  • gov.uk/DNSKEY (alg 8, id 23541)
  • gov.uk/DNSKEY (alg 8, id 52549)
  • gov.uk/DNSKEY (alg 8, id 58200)
  • gov.uk/DNSKEY (alg 8, id 695)
  • gov.uk/DS (alg 8, id 17539)
  • gov.uk/DS (alg 8, id 695)
  • 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 gov.uk

NoticesNotices

Errors (8)
  • gov.uk zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (192.76.144.14, 2001:600:1c0:e001::35:6)
  • gov.uk/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (192.76.144.14, 2001:600:1c0:e001::35:6, UDP_-_NOEDNS_)
  • gov.uk/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (192.76.144.14, 2001:600:1c0:e001::35:6, UDP_-_NOEDNS_)
  • gov.uk/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • gov.uk/MX has errors; select the "Denial of existence" DNSSEC option to see them.
  • gov.uk/CDNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • 4wzyu.094m3.gov.uk/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • gov.uk/CDS has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • gov.uk/DNSKEY (alg 8, id 18198): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (128.86.1.20, 192.87.106.101, 193.62.157.66, 193.63.94.20, 193.63.105.17, 193.63.106.103, 194.128.171.99, 2001:600:1c0:e000::35:6, 2001:610:1:800a:192:87:106:101, 2001:630:0:8::14, 2001:630:0:9::14, 2001:630:0:45::11, 2001:630:0:46::67, 2001:630:0:47::42, TCP_-_EDNS0_4096_D_KN)
  • gov.uk/NSEC3PARAM: No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (2001:600:1c0:e000::35:6, UDP_-_EDNS0_4096_D_KN)
  • uk to gov.uk: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the uk zone): dns4.nic.uk, dns1.nic.uk, dns3.nic.uk, dns2.nic.uk 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