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DNSViz: A DNS visualization tool

walgreens.com

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

RRset statusRRset status

Insecure (5)
  • walgreens.com/A
  • walgreens.com/MX
  • walgreens.com/NS
  • walgreens.com/SOA
  • walgreens.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 951)
  • NSEC3 proving non-existence of walgreens.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 36739)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

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

NoticesNotices

Errors (3)
  • walgreens.com zone: The server(s) were not responsive to queries over UDP. (204.15.116.132)
  • walgreens.com/A: No response was received from the server over UDP (tried 12 times). (204.15.116.132, UDP_-_NOEDNS_)
  • walgreens.com/NS: No response was received from the server over UDP (tried 12 times). (204.15.116.132, UDP_-_NOEDNS_)
Warnings (1)
  • com to walgreens.com: The glue address(es) for ns7.walgreens.com (204.15.116.132) differed from its authoritative address(es) (204.15.119.56).

DNSKEY legend

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