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DNSViz: A DNS visualization tool

uzh.ch

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

RRset statusRRset status

Insecure (5)
  • uzh.ch/A
  • uzh.ch/MX
  • uzh.ch/NS
  • uzh.ch/SOA
  • uzh.ch/TXT
Secure (1)
  • ch/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 33853)
  • ./DNSKEY (alg 8, id 48903)
  • NSEC3 proving non-existence of uzh.ch/DS
  • ch/DNSKEY (alg 13, id 18757)
  • ch/DNSKEY (alg 13, id 51409)
  • ch/DNSKEY (alg 13, id 55966)
  • ch/DS (alg 13, id 55966)

Delegation statusDelegation status

Insecure (1)
  • ch to uzh.ch
Secure (1)
  • . to ch

NoticesNotices

Errors (3)
  • NSEC3 proving non-existence of uzh.ch/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of uzh.ch/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • uzh.ch/DS has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • NSEC3 proving non-existence of uzh.ch/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of uzh.ch/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • uzh.ch/DS has warnings; 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