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DNSViz: A DNS visualization tool

fema.gov

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

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26116)
  • fema.gov/DNSKEY (alg 8, id 31455)
  • fema.gov/DNSKEY (alg 8, id 51468)
  • fema.gov/DNSKEY (alg 8, id 60907)
  • fema.gov/DS (alg 8, id 60907)
  • fema.gov/DS (alg 8, id 60907)
  • gov/DNSKEY (alg 8, id 15489)
  • gov/DNSKEY (alg 8, id 26665)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

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

NoticesNotices

Errors (4)
  • fema.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2600:1401:2::5b, UDP_-_EDNS0_512_D_K)
  • h0le6dw429.fema.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • fema.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • fema.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (10)
  • fema.gov/DS (alg 8, id 60907): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • fema.gov/DS (alg 8, id 60907): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • fema.gov/DS (alg 8, id 60907): 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.
  • fema.gov/DS (alg 8, id 60907): 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.
  • gov/DS (alg 8, id 7698): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • gov/DS (alg 8, id 7698): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • gov/DS (alg 8, id 7698): 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.
  • gov/DS (alg 8, id 7698): 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.
  • h0le6dw429.fema.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • fema.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