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DNSViz: A DNS visualization tool

cache.nixos.org

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (4)
  • cache.nixos.org/CNAME
  • dualstack.v2.shared.global.fastly.net/A
  • dualstack.v2.shared.global.fastly.net/AAAA
  • dualstack.v2.shared.global.fastly.net/AAAA
Secure (3)
  • net/SOA
  • net/SOA
  • org/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (11)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 20826)
  • NSEC3 proving non-existence of fastly.net/DS
  • NSEC3 proving non-existence of nixos.org/DS
  • net/DNSKEY (alg 8, id 35886)
  • net/DNSKEY (alg 8, id 4403)
  • net/DS (alg 8, id 35886)
  • org/DNSKEY (alg 8, id 26974)
  • org/DNSKEY (alg 8, id 29166)
  • org/DNSKEY (alg 8, id 56124)
  • org/DS (alg 8, id 26974)

Delegation statusDelegation status

Insecure (2)
  • net to fastly.net
  • org to nixos.org
Secure (2)
  • . to net
  • . to org

NoticesNotices

Errors (1)
  • org zone: The server(s) were not responsive to queries over UDP. (2001:500:c::1)
Warnings (2)
  • ./DNSKEY (alg 8, id 20326): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 20826): 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. (192.112.36.4, 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