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DNSViz: A DNS visualization tool

fda.gov

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

RRset statusRRset status

Secure (8)
  • fda.gov/A
  • fda.gov/AAAA
  • fda.gov/AAAA
  • fda.gov/MX
  • fda.gov/NS
  • fda.gov/NSEC3PARAM
  • fda.gov/SOA
  • fda.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 14748)
  • ./DNSKEY (alg 8, id 20326)
  • fda.gov/DNSKEY (alg 8, id 13215)
  • fda.gov/DNSKEY (alg 8, id 33550)
  • fda.gov/DNSKEY (alg 8, id 35145)
  • fda.gov/DS (alg 8, id 33550)
  • gov/DNSKEY (alg 8, id 6229)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

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

NoticesNotices

Errors (5)
  • fda.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2600:1401:2::f2, UDP_-_EDNS0_512_D_KN)
  • fda.gov/NSEC3PARAM: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2600:1401:2::f2, UDP_-_NOEDNS_)
  • 9k3szlxn2d.fda.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • fda.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • fda.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (3)
  • fda.gov/NS: No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. See RFC 6891, Sec. 6.2.6. (2600:1401:2::f2, UDP_-_EDNS0_4096_D_KN)
  • 9k3szlxn2d.fda.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • fda.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
Download: png | svg
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DNSSEC authentication graph