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DNSViz: A DNS visualization tool

www.moea.gov.tw

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

RRset statusRRset status

Insecure (3)
  • hinet.net/SOA
  • www-moea.cdn.hinet.net/A
  • www.moea.gov.tw/CNAME
Secure (3)
  • gov.tw/SOA
  • net/SOA
  • net/SOA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (15)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 60955)
  • NSEC3 proving non-existence of hinet.net/DS
  • NSEC3 proving non-existence of moea.gov.tw/DS
  • gov.tw/DNSKEY (alg 8, id 19435)
  • gov.tw/DNSKEY (alg 8, id 20970)
  • gov.tw/DNSKEY (alg 8, id 42045)
  • gov.tw/DS (alg 8, id 19435)
  • gov.tw/DS (alg 8, id 514)
  • net/DNSKEY (alg 8, id 27554)
  • net/DNSKEY (alg 8, id 35886)
  • net/DS (alg 8, id 35886)
  • tw/DNSKEY (alg 8, id 42795)
  • tw/DNSKEY (alg 8, id 51277)
  • tw/DS (alg 8, id 51277)
Non_existent (1)
  • gov.tw/DNSKEY (alg 8, id 514)

Delegation statusDelegation status

Insecure (3)
  • gov.tw to moea.gov.tw
  • hinet.net to cdn.hinet.net
  • net to hinet.net
Secure (3)
  • . to net
  • . to tw
  • tw to gov.tw

NoticesNotices

Errors (4)
  • NSEC3 proving non-existence of moea.gov.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 moea.gov.tw/DS: An iterations count of 0 must be used in NSEC3 records to alleviate computational burdens. See RFC 9276, Sec. 3.1.
  • gov.tw/DNSKEY: No response was received from the server over UDP (tried 4 times). See RFC 1035, Sec. 4.2. (2001:45b1:0:5::24, 2001:45b1:0:5::25, UDP_-_EDNS0_512_D_KN)
  • tw zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:288:1:1006::11)
Warnings (2)
  • NSEC3 proving non-existence of moea.gov.tw/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.
  • NSEC3 proving non-existence of moea.gov.tw/DS: The salt value for an NSEC3 record should be empty. See RFC 9276, Sec. 3.1.

DNSKEY legend

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