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DNSViz: A DNS visualization tool

hhsops.gov

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

RRset statusRRset status

Bogus (2)
  • hhsops.gov/A
  • hhsops.gov/NSEC3PARAM
Secure (6)
  • hhsops.gov/AAAA
  • hhsops.gov/MX
  • hhsops.gov/NS
  • hhsops.gov/NSEC3PARAM
  • hhsops.gov/SOA
  • hhsops.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./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)
  • hhsops.gov/DNSKEY (alg 8, id 15843)
  • hhsops.gov/DNSKEY (alg 8, id 55804)
  • hhsops.gov/DNSKEY (alg 8, id 57255)
  • hhsops.gov/DNSKEY (alg 8, id 63079)
  • hhsops.gov/DS (alg 8, id 30226)
  • hhsops.gov/DS (alg 8, id 55804)
  • hhsops.gov/DS (alg 8, id 63079)
Non_existent (1)
  • hhsops.gov/DNSKEY (alg 8, id 30226)

Delegation statusDelegation status

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

NoticesNotices

Errors (25)
  • hhsops.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (158.74.35.11, 158.74.35.12)
  • hhsops.gov/A: 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_)
  • hhsops.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (158.74.35.11, 158.74.35.12, UDP_-_NOEDNS_)
  • hhsops.gov/A: 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::3b, UDP_-_EDNS0_4096_D_KN)
  • hhsops.gov/A: 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::3b, UDP_-_EDNS0_4096_D_KN)
  • hhsops.gov/A: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • hhsops.gov/AAAA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • hhsops.gov/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2607:f220:0:1::3b, UDP_-_EDNS0_512_D_KN)
  • hhsops.gov/DNSKEY: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (2607:f220:0:1::3a, UDP_-_EDNS0_512_D_KN, UDP_-_NOEDNS_)
  • hhsops.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::3a, UDP_-_NOEDNS_)
  • hhsops.gov/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2607:f220:0:1::3b, UDP_-_EDNS0_512_D_KN)
  • hhsops.gov/MX: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (2607:f220:0:1::3a, UDP_-_EDNS0_4096_D_KN)
  • hhsops.gov/MX: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (2607:f220:0:1::3a, UDP_-_EDNS0_512_D_KN)
  • hhsops.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (158.74.35.11, 158.74.35.12, 2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • hhsops.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_)
  • hhsops.gov/NSEC3PARAM: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (2607:f220:0:1::3a, UDP_-_EDNS0_4096_D_KN)
  • hhsops.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::3a, UDP_-_NOEDNS_, UDP_-_NOEDNS__0x20)
  • hhsops.gov/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2607:f220:0:1::3a, 2607:f220:0:1::3b, UDP_-_NOEDNS_)
  • hhsops.gov/SOA: The response had an invalid RCODE (SERVFAIL) until EDNS was disabled. See RFC 6891, Sec. 6.2.6. (2607:f220:0:1::3a, UDP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN_0x20)
  • hhsops.gov/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (2607:f220:0:1::3b, TCP_-_NOEDNS_)
  • hhsops.gov/SOA: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (2607:f220:0:1::3b, UDP_-_NOEDNS__0x20)
  • hhsops.gov/TXT: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • hhsops.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • hhsops.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • 9jos87wytl.hhsops.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (1)
  • hhsops.gov/TXT: 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. (2607:f220:0:1::3b, UDP_-_EDNS0_4096_D_KN)

DNSKEY legend

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