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DNSViz: A DNS visualization tool

grants.gov

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

RRset statusRRset status

Bogus (4)
  • grants.gov/AAAA
  • grants.gov/MX
  • grants.gov/SOA
  • grants.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 24250)
  • gov/DNSKEY (alg 8, id 50011)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • grants.gov/DS (alg 8, id 55804)
  • grants.gov/DS (alg 8, id 65260)
Non_existent (2)
  • grants.gov/DNSKEY (alg 8, id 55804)
  • grants.gov/DNSKEY (alg 8, id 65260)

Delegation statusDelegation status

Bogus (1)
  • gov to grants.gov
Secure (1)
  • . to gov

NoticesNotices

Errors (25)
  • gov to grants.gov: No valid RRSIGs made by a key corresponding to a DS RR were found covering the DNSKEY RRset, resulting in no secure entry point (SEP) into the zone. See RFC 4035, Sec. 2.2, RFC 6840, Sec. 5.11.
  • 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. (158.74.35.11, 2607:f220:0:1::3a)
  • grants.gov zone: The server(s) responded over UDP with a malformed response or with an invalid RCODE. See RFC 1035, Sec. 4.1.1. (158.74.35.11, 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, 158.74.35.12, 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. (158.74.35.12, 2607:f220:0:1::3b, UDP_-_NOEDNS_)
  • grants.gov/AAAA: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (158.74.35.12, 2607:f220:0:1::3b, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/AAAA: 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/DNSKEY: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3a, 2607:f220:0:1::3b, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • grants.gov/MX: 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::3b, UDP_-_NOEDNS_)
  • grants.gov/MX: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (2607:f220:0:1::3b, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/MX: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3a, 2607:f220:0:1::3b, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • grants.gov/NS: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3a, 2607:f220:0:1::3b, UDP_-_NOEDNS_)
  • grants.gov/NSEC3PARAM: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (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. (158.74.35.12, 2607:f220:0:1::3b, TCP_-_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. (2607:f220:0:1::3b, UDP_-_NOEDNS_)
  • grants.gov/SOA: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (158.74.35.12, 2607:f220:0:1::3b, TCP_-_EDNS0_4096_D_N)
  • grants.gov/SOA: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (2607:f220:0:1::3b, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3a, 2607:f220:0:1::3b, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
  • grants.gov/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (158.74.35.11, 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. (158.74.35.12, UDP_-_NOEDNS_)
  • grants.gov/TXT: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (158.74.35.12, UDP_-_EDNS0_4096_D_KN)
  • grants.gov/TXT: 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/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • q2u8ct37o6.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.

DNSKEY legend

Full legend
SEP bit setSEP bit set
Revoke bit setRevoke bit set
Trust anchorTrust anchor
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DNSSEC authentication graph