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DNSViz: A DNS visualization tool

uscg.mil

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
  9. |?|
  10. |?|
Notices
DNSSEC Authentication Chain

RRset statusRRset status

Bogus (9)
  • uscg.mil/A
  • uscg.mil/MX
  • uscg.mil/NS
  • uscg.mil/NSEC3PARAM
  • uscg.mil/SOA
  • uscg.mil/SOA
  • uscg.mil/SOA
  • uscg.mil/SOA
  • uscg.mil/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (8)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26838)
  • mil/DNSKEY (alg 8, id 46443)
  • mil/DNSKEY (alg 8, id 51349)
  • mil/DNSKEY (alg 8, id 9498)
  • mil/DS (alg 8, id 51349)
  • mil/DS (alg 8, id 51349)
  • uscg.mil/DS (alg 7, id 1920)
Non_existent (3)
  • uscg.mil/DNSKEY (alg 7, id 10952)
  • uscg.mil/DNSKEY (alg 7, id 1920)
  • uscg.mil/DNSKEY (alg 7, id 28838)

Delegation statusDelegation status

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

NoticesNotices

Errors (12)
  • mil to uscg.mil: 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.mil zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (199.211.215.69, 199.211.216.7)
  • uscg.mil/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (199.211.215.69, 199.211.216.7, 199.211.218.6, UDP_-_EDNS0_4096_D_KN)
  • uscg.mil/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (199.211.218.6, UDP_-_EDNS0_512_D_KN)
  • uscg.mil/MX: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (199.211.218.6, UDP_-_EDNS0_512_D_KN)
  • uscg.mil/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (199.211.215.69, 199.211.216.7, TCP_-_EDNS0_4096_D_N)
  • uscg.mil/SOA: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (199.211.215.69, 199.211.218.6, UDP_-_NOEDNS_)
  • uscg.mil/TXT: No response was received from the server over TCP (tried 7 times). See RFC 1035, Sec. 4.2. (199.211.218.6, TCP_-_EDNS0_4096_D_KN)
  • uscg.mil/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • uscg.mil/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • 7wxk2tdpbf.uscg.mil/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • uscg.mil/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (27)
  • ./DNSKEY (alg 8, id 20326): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 26838): 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. (192.112.36.4, UDP_-_EDNS0_4096_D_KN)
  • RRSIG uscg.mil/A alg 7, id 10952: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/A alg 7, id 28838: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/MX alg 7, id 10952: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/MX alg 7, id 28838: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/NS alg 7, id 10952: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/NS alg 7, id 28838: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/NSEC3PARAM alg 7, id 10952: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/NSEC3PARAM alg 7, id 28838: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/SOA alg 7, id 10952: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/SOA alg 7, id 10952: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/SOA alg 7, id 10952: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/SOA alg 7, id 10952: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/SOA alg 7, id 28838: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/SOA alg 7, id 28838: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/SOA alg 7, id 28838: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/SOA alg 7, id 28838: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/TXT alg 7, id 10952: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG uscg.mil/TXT alg 7, id 28838: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • mil/DS (alg 8, id 51349): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • mil/DS (alg 8, id 51349): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • mil/DS (alg 8, id 51349): 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.
  • mil/DS (alg 8, id 51349): 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.
  • uscg.mil/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • uscg.mil/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • 7wxk2tdpbf.uscg.mil/A 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