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DNSViz: A DNS visualization tool

www.railway.gov.tw

DNSSEC options (hide)
  1. |?|
  2. |?|
  3. |?|
  4. |?|
  5. |?|
  6. |?|
  7. |?|
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 (20)
  • ./DNSKEY (alg 8, id 20326)
  • ./DNSKEY (alg 8, id 30903)
  • ./DNSKEY (alg 8, id 46780)
  • gov.tw/DNSKEY (alg 8, id 19435)
  • gov.tw/DNSKEY (alg 8, id 22578)
  • gov.tw/DNSKEY (alg 8, id 32466)
  • gov.tw/DS (alg 8, id 19435)
  • gov.tw/DS (alg 8, id 514)
  • railway.gov.tw/DNSKEY (alg 8, id 34144)
  • railway.gov.tw/DNSKEY (alg 8, id 3705)
  • railway.gov.tw/DNSKEY (alg 8, id 40845)
  • railway.gov.tw/DNSKEY (alg 8, id 528)
  • railway.gov.tw/DNSKEY (alg 8, id 5314)
  • railway.gov.tw/DNSKEY (alg 8, id 55698)
  • railway.gov.tw/DS (alg 8, id 34144)
  • railway.gov.tw/DS (alg 8, id 5314)
  • tw/DNSKEY (alg 8, id 15756)
  • tw/DNSKEY (alg 8, id 51277)
  • tw/DNSKEY (alg 8, id 56391)
  • 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 (4)
  • railway.gov.tw/DNSKEY (alg 8, id 3705): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (163.29.186.201, 210.241.82.201, 2001:4420:60ab:1fd::7, 2001:4420:60ac:1fd::7, UDP_-_EDNS0_4096_D_KN)
  • railway.gov.tw/DNSKEY (alg 8, id 40845): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (163.29.186.201, 210.241.82.201, 2001:4420:60ab:1fd::7, 2001:4420:60ac:1fd::7, UDP_-_EDNS0_4096_D_KN)
  • railway.gov.tw/DNSKEY (alg 8, id 528): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (163.29.186.200, 210.241.82.200, 2001:4420:60ab:1fd::6, 2001:4420:60ac:1fd::6, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
  • railway.gov.tw/DNSKEY (alg 8, id 55698): The DNSKEY RR was not found in the DNSKEY RRset returned by one or more servers. (163.29.186.200, 210.241.82.200, 2001:4420:60ab:1fd::6, 2001:4420:60ac:1fd::6, TCP_-_EDNS0_4096_D_KN, UDP_-_EDNS0_4096_D_KN)
Warnings (4)
  • railway.gov.tw/DNSKEY (alg 8, id 34144): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. (2001:4420:60ac:1fd::6, UDP_-_EDNS0_4096_D_KN)
  • railway.gov.tw/DNSKEY (alg 8, id 3705): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. (2001:4420:60ac:1fd::6, UDP_-_EDNS0_4096_D_KN)
  • railway.gov.tw/DNSKEY (alg 8, id 40845): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. (2001:4420:60ac:1fd::6, UDP_-_EDNS0_4096_D_KN)
  • railway.gov.tw/DNSKEY (alg 8, id 5314): No response was received until the UDP payload size was decreased, indicating that the server might be attempting to send a payload that exceeds the path maximum transmission unit (PMTU) size. (2001:4420:60ac:1fd::6, UDP_-_EDNS0_4096_D_KN)

DNSKEY legend

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