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DNSViz: A DNS visualization tool

irs.gov

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

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (10)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 951)
  • gov/DNSKEY (alg 8, id 24250)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • irs.gov/DNSKEY (alg 8, id 29359)
  • irs.gov/DNSKEY (alg 8, id 49533)
  • irs.gov/DNSKEY (alg 8, id 56781)
  • irs.gov/DNSKEY (alg 8, id 63805)
  • irs.gov/DS (alg 8, id 29359)

Delegation statusDelegation status

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

NoticesNotices

Errors (8)
  • irs.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (152.216.7.164, 152.216.7.165, 152.216.11.132, 152.216.11.133, 152.216.13.164, 152.216.13.165, 2610:30:2000:53::90, 2610:30:2000:53::91, 2610:30:4000:53::90, 2610:30:4000:53::91)
  • irs.gov/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2610:30:0:13::164, 2610:30:0:13::165, UDP_-_EDNS0_4096_D_KN)
  • irs.gov/DNSKEY: The TCP connection was interrupted (ECONNRESET). See RFC 1035, Sec. 4.2. (2610:30:2000:53::90, 2610:30:2000:53::91, 2610:30:4000:53::90, 2610:30:4000:53::91, TCP_-_EDNS0_4096_D_KN)
  • irs.gov/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (152.216.13.164, 152.216.13.165, 2610:30:0:13::165, TCP_-_EDNS0_4096_D_N)
  • irs.gov/SOA: The TCP connection was interrupted (ECONNRESET). See RFC 1035, Sec. 4.2. (152.216.7.164, 152.216.7.165, 152.216.11.132, 152.216.11.133, 2610:30:2000:53::90, 2610:30:2000:53::91, 2610:30:4000:53::90, 2610:30:4000:53::91, TCP_-_EDNS0_4096_D_N)
  • irs.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • jo65k4u83y.irs.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • irs.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (2)
  • jo65k4u83y.irs.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • irs.gov/CNAME 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
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DNSSEC authentication graph