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DNSViz: A DNS visualization tool

vaccine.gov

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

RRset statusRRset status

Secure (2)
  • gov/SOA
  • vaccine.gov/A (NXDOMAIN)

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of vaccine.gov/A
  • gov/DNSKEY (alg 8, id 27306)
  • gov/DNSKEY (alg 8, id 48498)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

Secure (1)
  • . to gov

NoticesNotices

Errors (5)
  • ./DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2001:7fe::53, UDP_-_NOEDNS_)
  • ./DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2001:7fe::53, UDP_-_EDNS0_512_D_KN)
  • NSEC3 proving non-existence of vaccine.gov/A: 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 vaccine.gov/A: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • NSEC3 proving non-existence of vaccine.gov/A: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of vaccine.gov/A: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • 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