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DNSViz: A DNS visualization tool

apple.com

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

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (7)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 26470)
  • ./DNSKEY (alg 8, id 38696)
  • NSEC3 proving non-existence of apple.com/DS
  • com/DNSKEY (alg 13, id 19718)
  • com/DNSKEY (alg 13, id 23202)
  • com/DS (alg 13, id 19718)

Delegation statusDelegation status

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

NoticesNotices

Errors (6)
  • com/DS (alg 13, id 19718): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (192.33.4.12, UDP_-_NOEDNS_)
  • com/DS (alg 13, id 19718): DNSSEC was effectively downgraded because no response was received from the server over UDP (tried 11 times) with EDNS enabled. See RFC 6891, Sec. 7, RFC 2671, Sec. 5.3. (192.33.4.12, UDP_-_NOEDNS_)
  • com/DS (alg 13, id 19718): No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)
  • com/DS (alg 13, id 19718): No response was received from the server over UDP (tried 11 times) until EDNS was disabled (however, this server appeared to respond legitimately to other queries with EDNS enabled). See RFC 6891, Sec. 6.2.6. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)
  • com/DS (alg 13, id 19718): The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)
  • com/DS (alg 13, id 19718): The DNSSEC records necessary to validate the response could not be retrieved from the server. See RFC 4035, Sec. 3.1.1, RFC 4035, Sec. 3.1.3. (192.33.4.12, UDP_-_EDNS0_4096_D_KN)

DNSKEY legend

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