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DNSViz: A DNS visualization tool

hud.gov

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

RRset statusRRset status

Secure (7)
  • hud.gov/A
  • hud.gov/AAAA
  • hud.gov/MX
  • hud.gov/NS
  • hud.gov/NSEC3PARAM
  • hud.gov/SOA
  • hud.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • gov/DNSKEY (alg 13, id 2536)
  • gov/DNSKEY (alg 13, id 35496)
  • gov/DS (alg 13, id 2536)
  • hud.gov/DNSKEY (alg 7, id 1593)
  • hud.gov/DNSKEY (alg 7, id 1698)
  • hud.gov/DNSKEY (alg 7, id 26925)
  • hud.gov/DS (alg 7, id 1593)
  • hud.gov/DS (alg 7, id 1593)

Delegation statusDelegation status

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

NoticesNotices

Errors (4)
  • yl4dz.rad7f.hud.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • hud.gov/CDNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • hud.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • hud.gov/CDS has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (28)
  • ./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_512_D_KN)
  • RRSIG hud.gov/A alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/AAAA alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/DNSKEY alg 7, id 1593: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/DNSKEY alg 7, id 1593: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/DNSKEY alg 7, id 1593: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/DNSKEY alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/DNSKEY alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/DNSKEY alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/MX alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/NS alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/NSEC3PARAM alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/SOA alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG hud.gov/TXT alg 7, id 26925: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • gov to hud.gov: Authoritative AAAA records exist for ns1.hud.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • gov to hud.gov: Authoritative AAAA records exist for ns2.hud.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • gov to hud.gov: Authoritative AAAA records exist for ns3.hud.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • gov to hud.gov: Authoritative AAAA records exist for ns4.hud.gov, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.
  • gov/DS (alg 13, id 2536): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
  • gov/DS (alg 13, id 2536): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
  • hud.gov/DS (alg 7, id 1593): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • hud.gov/DS (alg 7, id 1593): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • hud.gov/DS (alg 7, id 1593): 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.
  • hud.gov/DS (alg 7, id 1593): 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.
  • hud.gov/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • hud.gov/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • hud.gov/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • hud.gov/CDS 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