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DNSViz: A DNS visualization tool

mail.mil

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

RRset statusRRset status

Secure (5)
  • mail.mil/MX
  • mail.mil/NS
  • mail.mil/NSEC3PARAM
  • mail.mil/SOA
  • mail.mil/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (12)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • mail.mil/DNSKEY (alg 8, id 37327)
  • mail.mil/DNSKEY (alg 8, id 40608)
  • mail.mil/DNSKEY (alg 8, id 6051)
  • mail.mil/DNSKEY (alg 8, id 63259)
  • mail.mil/DS (alg 8, id 37327)
  • mail.mil/DS (alg 8, id 37327)
  • mil/DNSKEY (alg 8, id 16801)
  • mil/DNSKEY (alg 8, id 21018)
  • mil/DNSKEY (alg 8, id 51405)
  • mil/DS (alg 8, id 16801)

Delegation statusDelegation status

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

NoticesNotices

Errors (9)
  • mail.mil zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2608:125:0:1811:1001:9012:f00:22, 2608:145:0:180b:1001:9012:d00:22, 2608:184:0:1801:1001:9012:1100:22)
  • mail.mil/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (2608:125:0:1811:1001:9012:f00:22, 2608:145:0:180b:1001:9012:d00:22, 2608:184:0:1801:1001:9012:1100:22, UDP_-_NOEDNS_)
  • mil zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2608:4163:1:143::234)
  • mail.mil/CDS has errors; select the "Denial of existence" DNSSEC option to see them.
  • mail.mil/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • mail.mil/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • cqhw0.mu15g.mail.mil/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • mail.mil/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • mail.mil/CDNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (18)
  • mail.mil/DNSKEY (alg 8, id 37327): 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. (214.3.160.20, UDP_-_EDNS0_4096_D_KN)
  • mail.mil/DNSKEY (alg 8, id 40608): 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. (214.3.160.20, UDP_-_EDNS0_4096_D_KN)
  • mail.mil/DNSKEY (alg 8, id 6051): 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. (214.3.160.20, UDP_-_EDNS0_4096_D_KN)
  • mail.mil/DNSKEY (alg 8, id 63259): 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. (214.3.160.20, UDP_-_EDNS0_4096_D_KN)
  • mail.mil/DS (alg 8, id 37327): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • mail.mil/DS (alg 8, id 37327): DNSSEC implementers are prohibited from implementing signing with DS algorithm 1 (SHA-1). See RFC 8624, Sec. 3.2.
  • mail.mil/DS (alg 8, id 37327): 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.
  • mail.mil/DS (alg 8, id 37327): 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 to mail.mil: AAAA glue records exist for guv10m01.csd.disa.mil, but there are no corresponding authoritative AAAA records. See RFC 1034, Sec. 4.2.2.
  • mil to mail.mil: AAAA glue records exist for sdns3.csd.disa.mil, but there are no corresponding authoritative AAAA records. See RFC 1034, Sec. 4.2.2.
  • mil to mail.mil: AAAA glue records exist for utindo02.csd.disa.mil, but there are no corresponding authoritative AAAA records. See RFC 1034, Sec. 4.2.2.
  • mail.mil/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mail.mil/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mail.mil/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • cqhw0.mu15g.mail.mil/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mail.mil/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mail.mil/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mail.mil/CDNSKEY 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