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DNSViz: A DNS visualization tool

vwr.com

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DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
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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. See RFC 1035, Sec. 4.2. (192.159.93.235)
  • vwr.com/A: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (192.159.93.235, UDP_-_NOEDNS_)
  • vwr.com/NS: No response was received from the server over UDP (tried 12 times). See RFC 1035, Sec. 4.2. (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 See RFC 1034, Sec. 4.2.2.
  • 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 See RFC 1034, Sec. 4.2.2.
  • 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). 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