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DNSViz: A DNS visualization tool

iso.org

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

RRset statusRRset status

Insecure (5)
  • iso.org/A
  • iso.org/MX
  • iso.org/NS
  • iso.org/SOA
  • iso.org/TXT
Secure (2)
  • org/SOA
  • org/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 11019)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of iso.org/DS
  • org/DNSKEY (alg 8, id 26974)
  • org/DNSKEY (alg 8, id 33825)
  • org/DNSKEY (alg 8, id 35418)
  • org/DS (alg 8, id 26974)

Delegation statusDelegation status

Insecure (1)
  • org to iso.org
Secure (1)
  • . to org

NoticesNotices

Errors (4)
  • iso.org/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (13.107.206.37, 13.107.222.37, 150.171.10.37, 150.171.16.37, UDP_-_NOEDNS_)
  • iso.org/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (13.107.206.37, 13.107.222.37, 150.171.10.37, 150.171.16.37, UDP_-_EDNS0_512_D_KN)
  • iso.org/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • iso.org/NSEC3PARAM has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • NSEC3 proving non-existence of iso.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of iso.org/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • iso.org/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