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DNSViz: A DNS visualization tool

mx

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (4)
  • mx/NS
  • mx/NSEC3PARAM
  • mx/SOA
  • mx/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 951)
  • mx/DNSKEY (alg 8, id 20260)
  • mx/DNSKEY (alg 8, id 28483)
  • mx/DNSKEY (alg 8, id 61885)
  • mx/DS (alg 8, id 61885)

Delegation statusDelegation status

Secure (1)
  • . to mx

NoticesNotices

Errors (4)
  • mx zone: The server(s) were not responsive to queries over TCP. See RFC 1035, Sec. 4.2. (200.94.176.1)
  • mx/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (200.94.176.1, TCP_-_EDNS0_4096_D_N)
  • 2mi6cudbs5.mx/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • mx/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (7)
  • mx/DNSKEY (alg 8, id 20260): No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (200.23.1.1, UDP_-_EDNS0_4096_D_KN)
  • mx/DNSKEY (alg 8, id 28483): No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (200.23.1.1, UDP_-_EDNS0_4096_D_KN)
  • mx/DNSKEY (alg 8, id 61885): No response was received from the server over UDP (tried 6 times) until the COOKIE EDNS option was removed (however, this server appeared to respond legitimately to other queries with the COOKIE EDNS option present). See RFC 6891, Sec. 6.1.2. (200.23.1.1, UDP_-_EDNS0_4096_D_KN)
  • mx/NS: 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. (200.94.176.1, UDP_-_EDNS0_4096_D_KN)
  • 2mi6cudbs5.mx/A has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mx/DNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mx/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