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DNSViz: A DNS visualization tool

psc.gov

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

RRset statusRRset status

Secure (5)
  • psc.gov/A
  • psc.gov/MX
  • psc.gov/NS
  • psc.gov/SOA
  • psc.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (11)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 60955)
  • gov/DNSKEY (alg 8, id 50011)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • psc.gov/DNSKEY (alg 8, id 1171)
  • psc.gov/DNSKEY (alg 8, id 1949)
  • psc.gov/DNSKEY (alg 8, id 44406)
  • psc.gov/DNSKEY (alg 8, id 51421)
  • psc.gov/DS (alg 8, id 1949)
  • psc.gov/DS (alg 8, id 51421)

Delegation statusDelegation status

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

NoticesNotices

Errors (2)
  • ./DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (199.9.14.201, UDP_-_EDNS0_512_D_KN)
  • t3gj7x0f8y.psc.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (6)
  • ./DNSKEY (alg 8, id 20326): 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. (192.228.79.201, 199.9.14.201, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 60955): 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. (192.228.79.201, 199.9.14.201, UDP_-_EDNS0_4096_D_KN)
  • gov/DS (alg 8, id 7698): No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (192.228.79.201, UDP_-_EDNS0_4096_D_KN)
  • gov/DS (alg 8, id 7698): No response was received from the server over UDP (tried 7 times) until the NSID EDNS option was removed (however, this server appeared to respond legitimately to other queries with the NSID EDNS option present). See RFC 6891, Sec. 6.1.2. (192.228.79.201, UDP_-_EDNS0_4096_D_KN)
  • gov/DS (alg 8, id 7698): 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. (199.9.14.201, UDP_-_EDNS0_4096_D_KN)
  • gov/DS (alg 8, id 7698): 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. (199.9.14.201, UDP_-_EDNS0_4096_D_KN)

DNSKEY legend

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