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DNSViz: A DNS visualization tool

vwr.com

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

RRset statusRRset status

Insecure (5)
  • vwr.com/A
  • vwr.com/MX
  • vwr.com/NS
  • vwr.com/SOA
  • vwr.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 20826)
  • ./DNSKEY (alg 8, id 47671)
  • NSEC3 proving non-existence of vwr.com/DS
  • com/DNSKEY (alg 8, id 30909)
  • com/DNSKEY (alg 8, id 37269)
  • com/DS (alg 8, id 30909)

Delegation statusDelegation status

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

NoticesNotices

Errors (3)
  • vwr.com zone: The server(s) were not responsive to queries over UDP. (192.159.93.235)
  • vwr.com/A: No response was received from the server over UDP (tried 12 times). (192.159.93.235, UDP_-_NOEDNS_)
  • vwr.com/NS: No response was received from the server over UDP (tried 12 times). (192.159.93.235, UDP_-_NOEDNS_)
Warnings (3)
  • com to vwr.com: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the com zone): b23.ns.els-gms.att.net, m23.ns.els-gms.att.net, ns10.vwr.com
  • com to vwr.com: The following NS name(s) were found in the delegation NS RRset (i.e., in the com zone), but not in the authoritative NS RRset: ns1.vwr.com, cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net
  • com to vwr.com: The glue address(es) for ns1.vwr.com (67.216.79.22) differed from its authoritative address(es) (192.159.93.235).

DNSKEY legend

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