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DNSViz: A DNS visualization tool

gsa.gov

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

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./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)
  • gsa.gov/DNSKEY (alg 8, id 50486)
  • gsa.gov/DNSKEY (alg 8, id 9031)
  • gsa.gov/DS (alg 8, id 50486)

Delegation statusDelegation status

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

NoticesNotices

Errors (7)
  • gsa.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (13.248.142.184, 13.248.144.182, 13.248.149.147, 76.223.9.162, 76.223.24.135, 2600:1f16:8f2:d500::4)
  • gsa.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2600:1f14:653:bb00:b24e:739c:b87d:8fee)
  • gsa.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2600:1f14:653:bb00:b24e:739c:b87d:8fee, 2600:1f16:8f2:d500::4, UDP_-_NOEDNS_)
  • gsa.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2600:1f14:653:bb00:b24e:739c:b87d:8fee, UDP_-_NOEDNS_)
  • gsa.gov/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (13.248.142.184, 13.248.144.182, 13.248.149.147, 76.223.9.162, 76.223.24.135, 2600:1f16:8f2:d500::4, TCP_-_EDNS0_4096_D_N)
  • xhli4pfseo.gsa.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • gsa.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (1)
  • gsa.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. See RFC 6891, Sec. 6.2.6. (76.223.9.162, 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