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DNSViz: A DNS visualization tool

frtib.gov

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

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 14748)
  • ./DNSKEY (alg 8, id 20326)
  • frtib.gov/DNSKEY (alg 8, id 12379)
  • frtib.gov/DNSKEY (alg 8, id 51300)
  • frtib.gov/DNSKEY (alg 8, id 57489)
  • frtib.gov/DS (alg 8, id 12379)
  • frtib.gov/DS (alg 8, id 12379)
  • 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 frtib.gov

NoticesNotices

Errors (9)
  • frtib.gov zone: The server(s) were not responsive to queries over TCP. (149.101.82.185, 149.101.82.186, 149.101.182.186)
  • frtib.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). (149.101.82.185, UDP_-_EDNS0_512_D_KN)
  • frtib.gov/MX: No response was received from the server over UDP (tried 12 times). (149.101.82.185, 149.101.82.186, 149.101.182.186, UDP_-_NOEDNS_)
  • frtib.gov/NSEC3PARAM: No response was received from the server over UDP (tried 12 times). (149.101.82.185, 149.101.82.186, UDP_-_NOEDNS_)
  • frtib.gov/SOA: No response was received from the server over TCP (tried 3 times). (149.101.182.186, TCP_-_EDNS0_4096_D_N)
  • frtib.gov/SOA: No response was received from the server over TCP (tried 4 times). (149.101.82.185, 149.101.82.186, TCP_-_EDNS0_4096_D_N)
  • frtib.gov/SOA: No response was received from the server over TCP (tried 5 times). (149.101.182.185, TCP_-_EDNS0_4096_D_N)
  • frtib.gov/SOA: No response was received from the server over UDP (tried 12 times). (149.101.82.185, 149.101.82.186, 149.101.182.186, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
  • frtib.gov/TXT: No response was received from the server over UDP (tried 12 times). (149.101.182.186, UDP_-_NOEDNS_)
Warnings (6)
  • frtib.gov/DS (alg 8, id 12379): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • frtib.gov/DS (alg 8, id 12379): DNSSEC specification prohibits signing with DS records that use digest algorithm 1 (SHA-1).
  • frtib.gov/DS (alg 8, id 12379): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • frtib.gov/DS (alg 8, id 12379): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset.
  • frtib.gov/SOA: 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). (149.101.182.185, UDP_-_EDNS0_4096_D_KN)
  • frtib.gov/SOA: 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. (149.101.182.185, UDP_-_EDNS0_4096_D_KN_0x20)

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
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DNSSEC authentication graph