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DNSViz: A DNS visualization tool

gollum.at

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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)
  • gollum.at/A
  • gollum.at/AAAA
  • gollum.at/MX
  • gollum.at/NS
  • gollum.at/SOA
Secure (1)
  • at/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of gollum.at/DS
  • at/DNSKEY (alg 8, id 1129)
  • at/DNSKEY (alg 8, id 19294)
  • at/DNSKEY (alg 8, id 51046)
  • at/DS (alg 8, id 19294)
  • at/DS (alg 8, id 51046)

Delegation statusDelegation status

Insecure (1)
  • at to gollum.at
Secure (1)
  • . to at

NoticesNotices

Errors (3)
  • NSEC3 proving non-existence of gollum.at/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 gollum.at/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • gollum.at/DS has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (6)
  • NSEC3 proving non-existence of gollum.at/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of gollum.at/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • at/DNSKEY (alg 8, id 1129): 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. (81.91.161.98, UDP_-_EDNS0_4096_D_KN)
  • at/DNSKEY (alg 8, id 19294): 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. (81.91.161.98, UDP_-_EDNS0_4096_D_KN)
  • at/DNSKEY (alg 8, id 51046): 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. (81.91.161.98, UDP_-_EDNS0_4096_D_KN)
  • gollum.at/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