View on GitHub

DNSViz: A DNS visualization tool

tsp.gov

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

RRset statusRRset status

Insecure (5)
  • tsp.gov/A
  • tsp.gov/MX
  • tsp.gov/NS
  • tsp.gov/SOA
  • tsp.gov/TXT
Secure (1)
  • gov/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 9799)
  • NSEC3 proving non-existence of tsp.gov/DS
  • gov/DNSKEY (alg 8, id 7030)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)

Delegation statusDelegation status

Insecure (1)
  • gov to tsp.gov
Secure (1)
  • . to gov

NoticesNotices

Errors (13)
  • NSEC3 proving non-existence of tsp.gov/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of tsp.gov/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • gov/DS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (192.228.79.201, UDP_-_NOEDNS_)
  • tsp.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (149.101.82.185, 149.101.82.186, 149.101.182.185)
  • tsp.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (149.101.82.186, UDP_-_EDNS0_512_D_KN)
  • tsp.gov/MX: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (149.101.82.185, 149.101.82.186, 149.101.182.185, UDP_-_NOEDNS_)
  • tsp.gov/SOA: No response was received from the server over TCP (tried 4 times). See RFC 1035, Sec. 4.2. (149.101.82.185, 149.101.82.186, 149.101.182.185, TCP_-_EDNS0_4096_D_N)
  • tsp.gov/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (149.101.82.185, 149.101.82.186, 149.101.182.185, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
  • tsp.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • tsp.gov/NSEC3PARAM has errors; select the "Denial of existence" DNSSEC option to see them.
  • tsp.gov/DS has errors; select the "Denial of existence" DNSSEC option to see them.
  • oew6k503by.tsp.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • tsp.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (6)
  • NSEC3 proving non-existence of tsp.gov/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of tsp.gov/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • tsp.gov/MX: 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. (149.101.182.186, UDP_-_EDNS0_4096_D_KN)
  • tsp.gov/SOA: No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (149.101.182.186, UDP_-_EDNS0_4096_D_KN_0x20)
  • tsp.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. See RFC 6891, Sec. 6.2.6. (149.101.182.186, UDP_-_EDNS0_4096_D_KN)
  • tsp.gov/DS 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
Warning JavaScript is required to make the graph below interactive.
DNSSEC authentication graph