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DNSViz: A DNS visualization tool

phe.gov

DNSSEC options (hide)
  1. |?|
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  4. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (4)
  • phe.gov/A
  • phe.gov/NS
  • phe.gov/SOA
  • phe.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 951)
  • gov/DNSKEY (alg 8, id 24250)
  • gov/DNSKEY (alg 8, id 56278)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • phe.gov/DNSKEY (alg 8, id 1924)
  • phe.gov/DNSKEY (alg 8, id 24666)
  • phe.gov/DNSKEY (alg 8, id 56272)
  • phe.gov/DNSKEY (alg 8, id 60050)
  • phe.gov/DS (alg 8, id 56272)
  • phe.gov/DS (alg 8, id 60050)

Delegation statusDelegation status

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

NoticesNotices

Errors (4)
  • phe.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). (158.74.30.102, 158.74.30.103, UDP_-_EDNS0_512_D_KN)
  • phe.gov/TXT: DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. (158.74.30.102, UDP_-_NOEDNS_)
  • phe.gov/TXT: 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). (158.74.30.102, UDP_-_EDNS0_4096_D_KN)
  • phe.gov/TXT: The DNSSEC records necessary to validate the response could not be retrieved from the server. (158.74.30.102, UDP_-_EDNS0_4096_D_KN)
Warnings (5)
  • phe.gov/A: 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. (158.74.30.103, UDP_-_EDNS0_4096_D_KN)
  • phe.gov/NS: 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). (158.74.30.102, UDP_-_EDNS0_4096_D_KN)
  • phe.gov/SOA: 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). (158.74.30.102, UDP_-_EDNS0_4096_D_KN)
  • phe.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. (158.74.30.98, UDP_-_EDNS0_4096_D_KN)
  • phe.gov/TXT: 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. (158.74.30.98, 158.74.30.99, UDP_-_EDNS0_4096_D_KN)

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