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DNSViz: A DNS visualization tool

ameslab.gov

Updated: 2026-01-20 20:02:15 UTC (21 days ago) Update now
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DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (5)
  • ameslab.gov/MX
  • ameslab.gov/NS
  • ameslab.gov/NSEC3PARAM
  • ameslab.gov/SOA
  • ameslab.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 21831)
  • ./DNSKEY (alg 8, id 38696)
  • ameslab.gov/DNSKEY (alg 8, id 43314)
  • ameslab.gov/DNSKEY (alg 8, id 4759)
  • ameslab.gov/DS (alg 8, id 4759)
  • gov/DNSKEY (alg 13, id 2536)
  • gov/DNSKEY (alg 13, id 35496)
  • gov/DS (alg 13, id 2536)

Delegation statusDelegation status

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

NoticesNotices

Errors (18)
  • ameslab.gov zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (129.186.67.145, 2610:130:102:112::2)
  • ameslab.gov zone: The server(s) responded over UDP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (129.186.67.145, 2610:130:102:112::2)
  • ameslab.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2620:57:0:2c6::1, 2620:57:0:2c6::4d)
  • ameslab.gov/DNSKEY: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (129.186.67.145, 2610:130:102:112::2, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • ameslab.gov/MX: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (129.186.67.145, 2610:130:102:112::2, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • ameslab.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2620:57:0:2c6::1, 2620:57:0:2c6::4d, UDP_-_NOEDNS_)
  • ameslab.gov/NS: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (129.186.67.145, 2610:130:102:112::2, UDP_-_NOEDNS_)
  • ameslab.gov/NSEC3PARAM: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (129.186.67.145, 2610:130:102:112::2, UDP_-_NOEDNS_)
  • ameslab.gov/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (129.186.67.145, 2610:130:102:112::2, TCP_-_NOEDNS_)
  • ameslab.gov/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (129.186.67.145, 2610:130:102:112::2, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
  • ameslab.gov/TXT: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (129.186.67.145, 2610:130:102:112::2, UDP_-_NOEDNS_)
  • ameslab.gov/CDS has errors; select the "Denial of existence" DNSSEC option to see them.
  • 15296.cq87y.ameslab.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • ameslab.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • ameslab.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • ameslab.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • ameslab.gov/CDNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • ameslab.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (12)
  • ./DNSKEY (alg 8, id 20326): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2801:1b8:10::b, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 21831): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2801:1b8:10::b, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 38696): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2801:1b8:10::b, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY: The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2801:1b8:10::b, UDP_-_EDNS0_512_D_KN)
  • gov/DS (alg 13, id 2536): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2801:1b8:10::b, UDP_-_EDNS0_4096_D_KN)
  • gov/DS (alg 13, id 2536): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2801:1b8:10::b, UDP_-_EDNS0_4096_D_KN)
  • ameslab.gov/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • 15296.cq87y.ameslab.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ameslab.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ameslab.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ameslab.gov/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ameslab.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