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DNSViz: A DNS visualization tool

cvut.cz

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

RRset statusRRset status

Secure (5)
  • cvut.cz/A
  • cvut.cz/MX
  • cvut.cz/NS
  • cvut.cz/SOA
  • cvut.cz/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 48903)
  • cvut.cz/DNSKEY (alg 13, id 41860)
  • cvut.cz/DS (alg 13, id 41860)
  • cz/DNSKEY (alg 13, id 17880)
  • cz/DNSKEY (alg 13, id 20237)
  • cz/DS (alg 13, id 20237)

Delegation statusDelegation status

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

NoticesNotices

Warnings (4)
  • cvut.cz/DS (alg 13, id 41860): The server appears to support DNS cookies but did not return a COOKIE option. (2001:678:11::1, UDP_-_EDNS0_4096_D_K)
  • cvut.cz/DS (alg 13, id 41860): The server appears to support DNS cookies but did not return a COOKIE option. (2001:678:11::1, UDP_-_EDNS0_4096_D_K)
  • cz/DNSKEY (alg 13, id 17880): The server appears to support DNS cookies but did not return a COOKIE option. (2001:678:1::1, 2001:678:11::1, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_512_D_K)
  • cz/DNSKEY (alg 13, id 20237): The server appears to support DNS cookies but did not return a COOKIE option. (2001:678:1::1, 2001:678:11::1, UDP_-_EDNS0_4096_D_K, UDP_-_EDNS0_512_D_K)

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