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DNSViz: A DNS visualization tool

uscg.gov

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Bogus (4)
  • uscg.gov/NS
  • uscg.gov/NSEC3PARAM
  • uscg.gov/SOA
  • uscg.gov/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26838)
  • gov/DNSKEY (alg 8, id 57735)
  • gov/DNSKEY (alg 8, id 7698)
  • gov/DS (alg 8, id 7698)
  • uscg.gov/DS (alg 7, id 64494)
  • uscg.gov/DS (alg 7, id 8508)
Non_existent (3)
  • uscg.gov/DNSKEY (alg 7, id 24980)
  • uscg.gov/DNSKEY (alg 7, id 64494)
  • uscg.gov/DNSKEY (alg 7, id 8508)

Delegation statusDelegation status

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

NoticesNotices

Errors (10)
  • gov to uscg.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.
  • uscg.gov zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (152.121.2.19, 152.121.50.3)
  • uscg.gov/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (152.121.2.19, 152.121.33.3, 152.121.50.3, UDP_-_EDNS0_4096_D_KN)
  • uscg.gov/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (152.121.2.19, 152.121.50.3, TCP_-_EDNS0_4096_D_N)
  • uscg.gov/MX has errors; select the "Denial of existence" DNSSEC option to see them.
  • uscg.gov/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • uscg.gov/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • wmdch5gszl.uscg.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • uscg.gov/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • uscg.gov/A has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (9)
  • RRSIG uscg.gov/NS alg 7, id 24980: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.gov/NSEC3PARAM alg 7, id 24980: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.gov/SOA alg 7, id 24980: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.gov/TXT alg 7, id 24980: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • uscg.gov/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • wmdch5gszl.uscg.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • uscg.gov/MX has warnings; select the "Denial of existence" DNSSEC option to see them.
  • uscg.gov/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • uscg.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