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DNSViz: A DNS visualization tool

_acme-challenge.catpictures.app.sky.test.nhn.no

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

RRset statusRRset status

Insecure (5)
  • _acme-challenge.catpictures.app.sky.test.nhn.no.acme.nhn.no/TXT
  • _acme-challenge.catpictures.app.sky.test.nhn.no/CNAME
  • nhn.no/SOA
  • sky.test.nhn.no/SOA
  • test.nhn.no/SOA
Secure (1)
  • no/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 60955)
  • NSEC3 proving non-existence of nhn.no/DS
  • no/DNSKEY (alg 13, id 38032)
  • no/DNSKEY (alg 13, id 41404)
  • no/DS (alg 13, id 38032)

Delegation statusDelegation status

Insecure (5)
  • nhn.no to acme.nhn.no
  • nhn.no to test.nhn.no
  • no to nhn.no
  • sky.test.nhn.no to catpictures.app.sky.test.nhn.no
  • test.nhn.no to sky.test.nhn.no
Secure (1)
  • . to no

NoticesNotices

Errors (1)
  • catpictures.app.sky.test.nhn.no/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (6)
  • NSEC3 proving non-existence of nhn.no/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of nhn.no/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • _acme-challenge.catpictures.app.sky.test.nhn.no/CNAME: The server responded with no OPT record, rather than with RCODE FORMERR. See RFC 6891, Sec. 7. (83.118.169.36, UDP_-_EDNS0_4096_D_KN)
  • sky.test.nhn.no to catpictures.app.sky.test.nhn.no: The following NS name(s) were found in the delegation NS RRset (i.e., in the sky.test.nhn.no zone), but not in the authoritative NS RRset: ns1.gslb.sky.nhn.no See RFC 1034, Sec. 4.2.2.
  • _acme-challenge.catpictures.app.sky.test.nhn.no/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • _acme-challenge.catpictures.app.sky.test.nhn.no/AAAA 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