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DNSViz: A DNS visualization tool

dcmsa.mil

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

RRset statusRRset status

Secure (3)
  • dcmsa.mil/MX
  • dcmsa.mil/NS
  • dcmsa.mil/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 19036)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 46809)
  • dcmsa.mil/DNSKEY (alg 8, id 19590)
  • dcmsa.mil/DNSKEY (alg 8, id 31192)
  • dcmsa.mil/DNSKEY (alg 8, id 47320)
  • dcmsa.mil/DNSKEY (alg 8, id 47665)
  • dcmsa.mil/DS (alg 8, id 31192)
  • mil/DNSKEY (alg 8, id 16449)
  • mil/DNSKEY (alg 8, id 19743)
  • mil/DNSKEY (alg 8, id 27319)
  • mil/DS (alg 8, id 27319)

Delegation statusDelegation status

Secure (2)
  • . to mil
  • mil to dcmsa.mil

NoticesNotices

Errors (7)
  • dcmsa.mil/A: No response was received from the server over UDP (tried 10 times). (214.37.136.48, UDP_0_NOEDNS)
  • dcmsa.mil/A: No response was received from the server over UDP (tried 8 times). (214.37.136.50, UDP_0_NOEDNS)
  • dcmsa.mil/AAAA: No response was received from the server over UDP (tried 8 times). (214.37.136.48, UDP_0_NOEDNS)
  • dcmsa.mil/AAAA: The response had an invalid RCODE (SERVFAIL). (214.37.136.50, UDP_0_NOEDNS)
  • dcmsa.mil/MX: The DNSSEC records necessary to validate the response could not be retrieved from the server. (214.37.136.50, UDP_0_EDNS0_32768_4096)
  • dcmsa.mil/NS: No response was received from the server over UDP (tried 6 times) until the DO EDNS flag was cleared (however, this server appeared to respond legitimately to other queries with the DO EDNS flag set). (214.37.136.50, UDP_0_EDNS0_32768_4096)
  • dcmsa.mil/NS: The DNSSEC records necessary to validate the response could not be retrieved from the server. (214.37.136.50, UDP_0_EDNS0_32768_4096)
Warnings (2)
  • dcmsa.mil/MX: 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. (214.37.136.48, UDP_0_EDNS0_32768_4096)
  • dcmsa.mil/SOA: 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. (214.37.136.48, UDP_0_EDNS0_32768_4096)

DNSKEY legend

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