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DNSViz: A DNS visualization tool

vlada.cz

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

RRset statusRRset status

Secure (6)
  • vlada.cz/A
  • vlada.cz/AAAA
  • vlada.cz/MX
  • vlada.cz/NS
  • vlada.cz/SOA
  • vlada.cz/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 42351)
  • cz/DNSKEY (alg 13, id 17014)
  • cz/DNSKEY (alg 13, id 20237)
  • cz/DS (alg 13, id 20237)
  • vlada.cz/DNSKEY (alg 13, id 18434)
  • vlada.cz/DNSKEY (alg 13, id 54011)
  • vlada.cz/DS (alg 13, id 18434)

Delegation statusDelegation status

Secure (2)
  • . to cz
  • cz to vlada.cz

NoticesNotices

Warnings (2)
  • cz to vlada.cz: Authoritative AAAA records exist for ns1.cdt.cz, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • vlada.cz/MX: 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. (2001:1a48:2b::d42f:176e, 2001:1a48:2b::d42f:1773, UDP_-_EDNS0_4096_D_KN)

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