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DNSViz: A DNS visualization tool

hq.dhs.gov

DNSSEC options (hide)
  1. |?|
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  3. |?|
  4. |?|
  5. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (5)
  • hq.dhs.gov/MX
  • hq.dhs.gov/NS
  • hq.dhs.gov/NSEC3PARAM
  • hq.dhs.gov/SOA
  • hq.dhs.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (14)
  • ./DNSKEY (alg 8, id 18733)
  • ./DNSKEY (alg 8, id 20326)
  • dhs.gov/DNSKEY (alg 8, id 28429)
  • dhs.gov/DNSKEY (alg 8, id 43330)
  • dhs.gov/DNSKEY (alg 8, id 53823)
  • dhs.gov/DS (alg 8, id 43330)
  • dhs.gov/DS (alg 8, id 59354)
  • gov/DNSKEY (alg 8, id 56278)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • hq.dhs.gov/DNSKEY (alg 13, id 20911)
  • hq.dhs.gov/DNSKEY (alg 13, id 32275)
  • hq.dhs.gov/DNSKEY (alg 13, id 39773)
  • hq.dhs.gov/DS (alg 13, id 39773)
Non_existent (1)
  • dhs.gov/DNSKEY (alg 8, id 59354)

Delegation statusDelegation status

Secure (3)
  • . to gov
  • dhs.gov to hq.dhs.gov
  • gov to dhs.gov

NoticesNotices

Errors (7)
  • dhs.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2a02:26f0:117::42)
  • dhs.gov/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (184.85.248.66, UDP_-_NOEDNS_)
  • dhs.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (184.85.248.66, 2600:1406:1b::43, UDP_-_EDNS0_512_D_KN)
  • hq.dhs.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • dfkocax3v1.hq.dhs.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • hq.dhs.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • hq.dhs.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (11)
  • dhs.gov/DNSKEY (alg 8, id 28429): No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (23.211.132.67, UDP_-_EDNS0_4096_D_KN)
  • dhs.gov/DNSKEY (alg 8, id 43330): No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (23.211.132.67, UDP_-_EDNS0_4096_D_KN)
  • dhs.gov/DNSKEY (alg 8, id 53823): No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (23.211.132.67, UDP_-_EDNS0_4096_D_KN)
  • dhs.gov/DS (alg 8, id 59354): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • dhs.gov/DS (alg 8, id 59354): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • dhs.gov/DS (alg 8, id 59354): 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.
  • dhs.gov/DS (alg 8, id 59354): 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.
  • hq.dhs.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • dfkocax3v1.hq.dhs.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • hq.dhs.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • hq.dhs.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
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DNSSEC authentication graph