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DNSViz: A DNS visualization tool

hhsops.gov

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Bogus (3)
  • hhsops.gov/MX
  • hhsops.gov/NS
  • hhsops.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 30903)
  • ./DNSKEY (alg 8, id 5613)
  • gov/DNSKEY (alg 8, id 10104)
  • gov/DNSKEY (alg 8, id 64280)
  • gov/DS (alg 8, id 64280)
  • hhsops.gov/DS (alg 13, id 9637)
Non_existent (2)
  • hhsops.gov/DNSKEY (alg 13, id 2917)
  • hhsops.gov/DNSKEY (alg 13, id 9637)

Delegation statusDelegation status

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

NoticesNotices

Errors (16)
  • gov to hhsops.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.
  • hhsops.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, 158.74.35.12, 2607:f220:0:1::3a, 2607:f220:0:1::3b)
  • hhsops.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_)
  • hhsops.gov/AAAA: 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_)
  • hhsops.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_)
  • hhsops.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_)
  • hhsops.gov/NS: The response had an invalid RCODE (SERVFAIL). See RFC 1035, Sec. 4.1.1. (2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • hhsops.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_)
  • hhsops.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, TCP_-_NOEDNS_)
  • hhsops.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)
  • hhsops.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. (2607:f220:0:1::3a, UDP_-_NOEDNS_)
  • hhsops.gov/TXT: 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/TXT: 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::3b, 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.
  • rgivkomt6u.hhsops.gov/A 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