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DNSViz: A DNS visualization tool

cnn.com

DNSSEC options (hide)
  1. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (6)
  • cnn.com/A
  • cnn.com/AAAA
  • cnn.com/MX
  • cnn.com/NS
  • cnn.com/SOA
  • cnn.com/TXT
Secure (2)
  • com/SOA
  • com/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (6)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 30903)
  • NSEC3 proving non-existence of cnn.com/DS
  • com/DNSKEY (alg 13, id 19718)
  • com/DNSKEY (alg 13, id 4534)
  • com/DS (alg 13, id 19718)

Delegation statusDelegation status

Insecure (1)
  • com to cnn.com
Secure (1)
  • . to com

NoticesNotices

Warnings (2)
  • cnn.com/TXT: 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. (205.251.192.47, 205.251.194.64, 2600:9000:5300:2f00::1, UDP_-_EDNS0_4096_D_KN)
  • com to cnn.com: Authoritative AAAA records exist for ns-47.awsdns-05.com, but there are no corresponding AAAA glue records. See RFC 1034, Sec. 4.2.2.

DNSKEY legend

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