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DNSViz: A DNS visualization tool

ntsb.gov

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (10)
  • ntsb.gov/A
  • ntsb.gov/AAAA
  • ntsb.gov/MX
  • ntsb.gov/NS
  • ntsb.gov/NS
  • ntsb.gov/NSEC3PARAM
  • ntsb.gov/NSEC3PARAM
  • ntsb.gov/SOA
  • ntsb.gov/SOA
  • ntsb.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (14)
  • ./DNSKEY (alg 8, id 14748)
  • ./DNSKEY (alg 8, id 20326)
  • gov/DNSKEY (alg 8, id 6229)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • ntsb.gov/DNSKEY (alg 8, id 20340)
  • ntsb.gov/DNSKEY (alg 8, id 24355)
  • ntsb.gov/DNSKEY (alg 8, id 46288)
  • ntsb.gov/DNSKEY (alg 8, id 48033)
  • ntsb.gov/DNSKEY (alg 8, id 65305)
  • ntsb.gov/DS (alg 8, id 24355)
  • ntsb.gov/DS (alg 8, id 24355)
  • ntsb.gov/DS (alg 8, id 65305)
  • ntsb.gov/DS (alg 8, id 65305)

Delegation statusDelegation status

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

NoticesNotices

Errors (6)
  • ntsb.gov zone: The following NS name(s) did not resolve to address(es): 152.180.40.110
  • ntsb.gov zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2600:803:250:1040::110)
  • ntsb.gov/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2600:803:250:1040::110, UDP_-_NOEDNS_)
  • ntsb.gov/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2600:803:250:1040::110, UDP_-_NOEDNS_)
  • hufvknaqb2.ntsb.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • ntsb.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (14)
  • gov to ntsb.gov: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the gov zone): 152.180.40.110 See RFC 1034, Sec. 4.2.2.
  • gov to ntsb.gov: The glue address(es) for ns.ntsb.gov (199.173.155.4) differed from its authoritative address(es) (152.180.40.110). See RFC 1034, Sec. 4.2.2.
  • ntsb.gov/DNSKEY (alg 8, id 20340): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (199.173.155.4, UDP_-_EDNS0_4096_D_KN)
  • ntsb.gov/DNSKEY (alg 8, id 46288): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (152.180.40.110, UDP_-_EDNS0_4096_D_KN)
  • ntsb.gov/DS (alg 8, id 24355): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ntsb.gov/DS (alg 8, id 24355): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ntsb.gov/DS (alg 8, id 24355): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • ntsb.gov/DS (alg 8, id 24355): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • ntsb.gov/DS (alg 8, id 65305): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ntsb.gov/DS (alg 8, id 65305): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • ntsb.gov/DS (alg 8, id 65305): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • ntsb.gov/DS (alg 8, id 65305): DS records with digest type 1 (SHA-1) are ignored when DS records with digest type 2 (SHA-256) exist in the same RRset. See RFC 4509, Sec. 3.
  • hufvknaqb2.ntsb.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • ntsb.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