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DNSViz: A DNS visualization tool

mail.bestwell.com.tw

Updated: 2021-11-01 02:44:00 UTC (3 years ago) Update now
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DNSSEC options (hide)
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Insecure (1)
  • mail.bestwell.com.tw/A
Secure (4)
  • com.tw/SOA
  • com.tw/SOA
  • com.tw/SOA
  • com.tw/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (11)
  • ./DNSKEY (alg 8, id 14748)
  • ./DNSKEY (alg 8, id 20326)
  • NSEC3 proving non-existence of bestwell.com.tw/DS
  • com.tw/DNSKEY (alg 8, id 24960)
  • com.tw/DNSKEY (alg 8, id 25270)
  • com.tw/DNSKEY (alg 8, id 51351)
  • com.tw/DS (alg 8, id 25270)
  • tw/DNSKEY (alg 8, id 37254)
  • tw/DNSKEY (alg 8, id 40792)
  • tw/DNSKEY (alg 8, id 44793)
  • tw/DS (alg 8, id 40792)

Delegation statusDelegation status

Insecure (1)
  • com.tw to bestwell.com.tw
Secure (2)
  • . to tw
  • tw to com.tw

NoticesNotices

Errors (2)
  • NSEC3 proving non-existence of bestwell.com.tw/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of bestwell.com.tw/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
Warnings (4)
  • NSEC3 proving non-existence of bestwell.com.tw/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of bestwell.com.tw/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • com.tw to bestwell.com.tw: The following NS name(s) were found in the authoritative NS RRset, but not in the delegation NS RRset (i.e., in the com.tw zone): ns1.hinetidc.net, ns2.hinetidc.net, ns03.idc.hinet.net, ns02.idc.hinet.net, ns01.idc.hinet.net, ns.hinetidc.net See RFC 1034, Sec. 4.2.2.
  • com.tw to bestwell.com.tw: The following NS name(s) were found in the delegation NS RRset (i.e., in the com.tw zone), but not in the authoritative NS RRset: ns.idc.hinet.net, ns2.idc.hinet.net, ns3.idc.hinet.net 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