View on GitHub

DNSViz: A DNS visualization tool

iad.gov

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

RRset statusRRset status

Secure (5)
  • iad.gov/A
  • iad.gov/MX
  • iad.gov/NS
  • iad.gov/SOA
  • iad.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (13)
  • ./DNSKEY (alg 8, id 14631)
  • ./DNSKEY (alg 8, id 20326)
  • gov/DNSKEY (alg 8, id 48498)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • iad.gov/DNSKEY (alg 8, id 1674)
  • iad.gov/DNSKEY (alg 8, id 224)
  • iad.gov/DNSKEY (alg 8, id 5054)
  • iad.gov/DNSKEY (alg 8, id 54019)
  • iad.gov/DS (alg 8, id 224)
  • iad.gov/DS (alg 8, id 224)
  • iad.gov/DS (alg 8, id 5054)
  • iad.gov/DS (alg 8, id 5054)

Delegation statusDelegation status

Secure (2)
  • . to gov
  • gov to iad.gov

NoticesNotices

Errors (5)
  • iad.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (8.44.96.34)
  • iad.gov/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (8.44.96.34, TCP_-_EDNS0_4096_D_N)
  • iad.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • iad.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • sz79jw8u6o.iad.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (11)
  • iad.gov/DS (alg 8, id 224): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • iad.gov/DS (alg 8, id 224): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • iad.gov/DS (alg 8, id 224): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • iad.gov/DS (alg 8, id 224): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • iad.gov/DS (alg 8, id 5054): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • iad.gov/DS (alg 8, id 5054): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • iad.gov/DS (alg 8, id 5054): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • iad.gov/DS (alg 8, id 5054): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • iad.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • iad.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • sz79jw8u6o.iad.gov/A 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
Download: png | svg
Warning JavaScript is required to make the graph below interactive.
DNSSEC authentication graph