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DNSViz: A DNS visualization tool

tva.gov

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

RRset statusRRset status

Insecure (7)
  • tva.gov/A
  • tva.gov/A
  • tva.gov/MX
  • tva.gov/NS
  • tva.gov/NSEC3PARAM
  • tva.gov/SOA
  • tva.gov/TXT
Secure (1)
  • gov/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Insecure (3)
  • tva.gov/DNSKEY (alg 8, id 12874)
  • tva.gov/DNSKEY (alg 8, id 1415)
  • tva.gov/DNSKEY (alg 8, id 43954)
Secure (7)
  • ./DNSKEY (alg 8, id 14748)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26838)
  • NSEC3 proving non-existence of tva.gov/DS
  • gov/DNSKEY (alg 8, id 57735)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

Insecure (1)
  • gov to tva.gov
Secure (1)
  • . to gov

NoticesNotices

Errors (6)
  • NSEC3 proving non-existence of tva.gov/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 tva.gov/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • tva.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • tva.gov/DS has errors; select the "Denial of existence" DNSSEC option to see them.
  • rsexd241cw.tva.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • tva.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (6)
  • NSEC3 proving non-existence of tva.gov/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of tva.gov/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • tva.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • tva.gov/DS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • rsexd241cw.tva.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • tva.gov/CNAME 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