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DNSViz: A DNS visualization tool

www.railway.gov.tw

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

RRset statusRRset status

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

DNSKEY/DS/NSEC statusDNSKEY/DS/NSEC status

Secure (16)
  • ./DNSKEY (alg 8, id 11019)
  • ./DNSKEY (alg 8, id 20326)
  • gov.tw/DNSKEY (alg 8, id 19435)
  • gov.tw/DNSKEY (alg 8, id 20904)
  • gov.tw/DNSKEY (alg 8, id 36051)
  • gov.tw/DS (alg 8, id 19435)
  • gov.tw/DS (alg 8, id 514)
  • railway.gov.tw/DNSKEY (alg 8, id 18573)
  • railway.gov.tw/DNSKEY (alg 8, id 34144)
  • railway.gov.tw/DNSKEY (alg 8, id 5314)
  • railway.gov.tw/DS (alg 8, id 34144)
  • railway.gov.tw/DS (alg 8, id 5314)
  • tw/DNSKEY (alg 8, id 10821)
  • tw/DNSKEY (alg 8, id 36693)
  • 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

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

NoticesNotices

Errors (9)
  • RRSIG www.railway.gov.tw/A alg 8, id 18573: The TTL of the RRset (626) exceeds the value of the Original TTL field of the RRSIG RR covering it (289). See RFC 4035, Sec. 2.2.
  • RRSIG www.railway.gov.tw/A alg 8, id 18573: The TTL of the RRset (626) exceeds the value of the Original TTL field of the RRSIG RR covering it (290). See RFC 4035, Sec. 2.2.
  • RRSIG www.railway.gov.tw/A alg 8, id 18573: The TTL of the RRset (626) exceeds the value of the Original TTL field of the RRSIG RR covering it (290). See RFC 4035, Sec. 2.2.
  • RRSIG www.railway.gov.tw/A alg 8, id 18573: The TTL of the RRset (626) exceeds the value of the Original TTL field of the RRSIG RR covering it (625). See RFC 4035, Sec. 2.2.
  • RRSIG www.railway.gov.tw/AAAA alg 8, id 18573: The TTL of the RRset (3600) exceeds the value of the Original TTL field of the RRSIG RR covering it (3597). See RFC 4035, Sec. 2.2.
  • RRSIG www.railway.gov.tw/AAAA alg 8, id 18573: The TTL of the RRset (3600) exceeds the value of the Original TTL field of the RRSIG RR covering it (3598). See RFC 4035, Sec. 2.2.
  • RRSIG www.railway.gov.tw/AAAA alg 8, id 18573: The TTL of the RRset (3600) exceeds the value of the Original TTL field of the RRSIG RR covering it (3598). See RFC 4035, Sec. 2.2.
  • RRSIG www.railway.gov.tw/AAAA alg 8, id 18573: The TTL of the RRset (3600) exceeds the value of the Original TTL field of the RRSIG RR covering it (3598). See RFC 4035, Sec. 2.2.
  • railway.gov.tw/CNAME has errors; select the "Denial of existence" DNSSEC option to see them.
Warnings (1)
  • railway.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