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DNSViz: A DNS visualization tool

www.cga.gov.tw

Updated: 2022-08-09 03:54:17 UTC (3 years ago) Update now
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DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
  8. |?|
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Notices
DNSSEC Authentication Chain

RRset statusRRset status

Secure (2)
  • www.cga.gov.tw/A
  • www.cga.gov.tw/AAAA

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (14)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 20826)
  • cga.gov.tw/DNSKEY (alg 7, id 24047)
  • cga.gov.tw/DNSKEY (alg 7, id 58068)
  • cga.gov.tw/DS (alg 7, id 58068)
  • cga.gov.tw/DS (alg 7, id 62062)
  • gov.tw/DNSKEY (alg 8, id 19435)
  • gov.tw/DNSKEY (alg 8, id 49845)
  • gov.tw/DNSKEY (alg 8, id 54615)
  • gov.tw/DS (alg 8, id 19435)
  • gov.tw/DS (alg 8, id 514)
  • tw/DNSKEY (alg 8, id 2898)
  • tw/DNSKEY (alg 8, id 40792)
  • tw/DS (alg 8, id 40792)
Non_existent (2)
  • cga.gov.tw/DNSKEY (alg 7, id 62062)
  • gov.tw/DNSKEY (alg 8, id 514)

Delegation statusDelegation status

Secure (3)
  • . to tw
  • gov.tw to cga.gov.tw
  • tw to gov.tw

NoticesNotices

Errors (2)
  • cga.gov.tw zone: The server(s) were not responsive to queries over UDP. See RFC 1035, Sec. 4.2. (2001:4420:6047:fffe::250)
  • cga.gov.tw/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (7)
  • RRSIG cga.gov.tw/DNSKEY alg 7, id 24047: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cga.gov.tw/DNSKEY alg 7, id 24047: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cga.gov.tw/DNSKEY alg 7, id 58068: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG cga.gov.tw/DNSKEY alg 7, id 58068: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG www.cga.gov.tw/A alg 7, id 24047: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • RRSIG www.cga.gov.tw/AAAA alg 7, id 24047: DNSSEC implementers are recommended against implementing signing with DNSSEC algorithm 7 (RSASHA1NSEC3SHA1). See RFC 8624, Sec. 3.1.
  • cga.gov.tw/CNAME has warnings; select the "Denial of existence" DNSSEC option to see them.

DNSKEY legend

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