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DNSViz: A DNS visualization tool

mmc.com

DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (6)
  • mmc.com/A
  • mmc.com/MX
  • mmc.com/NS
  • mmc.com/NSEC3PARAM
  • mmc.com/SOA
  • mmc.com/TXT

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (9)
  • ./DNSKEY (alg 8, id 20038)
  • ./DNSKEY (alg 8, id 20326)
  • com/DNSKEY (alg 13, id 19718)
  • com/DNSKEY (alg 13, id 59354)
  • com/DS (alg 13, id 19718)
  • mmc.com/DNSKEY (alg 8, id 25503)
  • mmc.com/DNSKEY (alg 8, id 32223)
  • mmc.com/DNSKEY (alg 8, id 54619)
  • mmc.com/DS (alg 8, id 54619)

Delegation statusDelegation status

Secure (2)
  • . to com
  • com to mmc.com

NoticesNotices

Errors (9)
  • mmc.com/DNSKEY: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (205.156.88.100, UDP_-_EDNS0_4096_D_KN)
  • mmc.com/SOA: No response was received from the server over TCP (tried 3 times). See RFC 1035, Sec. 4.2. (168.168.107.3, TCP_-_EDNS0_4096_D_N)
  • mmc.com/SOA: No response was received from the server over TCP (tried 4 times). See RFC 1035, Sec. 4.2. (205.156.88.100, TCP_-_EDNS0_4096_D_N)
  • mmc.com/AAAA has errors; select the "Denial of existence" DNSSEC option to see them.
  • mmc.com/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
  • qs9k4.x87hp.mmc.com/A has errors; select the "Denial of existence" DNSSEC option to see them.
  • mmc.com/CDNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
  • mmc.com/CDS has errors; select the "Denial of existence" DNSSEC option to see them.
  • mmc.com/DNSKEY has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (7)
  • ./DNSKEY (alg 8, id 20038): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
  • ./DNSKEY (alg 8, id 20326): The server appears to support DNS cookies but did not return a COOKIE option. See RFC 7873, Sec. 5.2.3. (2001:500:2f::f, UDP_-_EDNS0_4096_D_KN)
  • mmc.com/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mmc.com/AAAA has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mmc.com/CDNSKEY has warnings; select the "Denial of existence" DNSSEC option to see them.
  • mmc.com/CDS has warnings; select the "Denial of existence" DNSSEC option to see them.
  • qs9k4.x87hp.mmc.com/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