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DNSViz: A DNS visualization tool

grants.gov

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

RRset statusRRset status

Bogus (1)
  • grants.gov/NSEC3PARAM
Secure (8)
  • grants.gov/A
  • grants.gov/AAAA
  • grants.gov/MX
  • grants.gov/NS
  • grants.gov/NSEC3PARAM
  • grants.gov/NSEC3PARAM
  • grants.gov/SOA
  • grants.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 60955)
  • gov/DNSKEY (alg 8, id 24250)
  • gov/DNSKEY (alg 8, id 50011)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • grants.gov/DNSKEY (alg 8, id 24345)
  • grants.gov/DNSKEY (alg 8, id 55804)
  • grants.gov/DNSKEY (alg 8, id 65260)
  • grants.gov/DNSKEY (alg 8, id 8331)
  • grants.gov/DS (alg 8, id 55804)
  • grants.gov/DS (alg 8, id 65260)

Delegation statusDelegation status

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

NoticesNotices

Errors (26)
  • grants.gov zone: The server(s) responded over TCP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (2607:f220:0:1::3a)
  • grants.gov/A: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (158.74.35.11, 2607:f220:0:1::3a, 2607:f220:0:1::3b, UDP_-_NOEDNS_)
  • grants.gov/AAAA: DNSSEC was effectively downgraded because the response had an invalid RCODE (SERVFAIL) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • grants.gov/AAAA: The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (2607:f220:0:1::3a, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/AAAA: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (2607:f220:0:1::3a, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/DNSKEY: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (158.74.35.11, 2607:f220:0:1::3a, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • grants.gov/NS: DNSSEC was effectively downgraded because the response had an invalid RCODE (SERVFAIL) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (158.74.35.12, UDP_-_NOEDNS_)
  • grants.gov/NS: The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (158.74.35.12, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/NS: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (158.74.35.12, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/NS: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (158.74.35.11, 2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • grants.gov/NSEC3PARAM: DNSSEC was effectively downgraded because the response had an invalid RCODE (SERVFAIL) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • grants.gov/NSEC3PARAM: The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (2607:f220:0:1::3a, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/NSEC3PARAM: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (2607:f220:0:1::3a, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/SOA: DNSSEC was effectively downgraded because the response had an invalid RCODE (SERVFAIL) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3a, 2607:f220:0:1::3b, UDP_-_NOEDNS_)
  • grants.gov/SOA: DNSSEC was effectively downgraded because the response had an invalid RCODE (SERVFAIL) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3b, TCP_-_NOEDNS_)
  • grants.gov/SOA: The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3a, 2607:f220:0:1::3b, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/SOA: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3a, 2607:f220:0:1::3b, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/SOA: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3b, TCP_-_EDNS0_4096_D_N)
  • grants.gov/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (2607:f220:0:1::3a, TCP_-_NOEDNS_)
  • grants.gov/TXT: DNSSEC was effectively downgraded because the response had an invalid RCODE (SERVFAIL) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (158.74.35.11, UDP_-_NOEDNS_)
  • grants.gov/TXT: The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (158.74.35.11, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/TXT: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (158.74.35.11, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/TXT: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • grants.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • uxqg2twe0m.grants.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • grants.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (1)
  • grants.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