SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
cns11643.gov.tw
SSL/TLS Certificate
SSL/TLS Certificate for cns11643.gov.tw
Hostname mismatch- Issued by (CA)
- TAIWAN-CA
- Subject
- www.cns11643.gov.tw
- Valid from
- Jan 30, 2026
- Valid until
- Jan 30, 2027 (167 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 47EA00000008D84E34706A9E88D9AA83
- SHA-256 fingerprint
- BF:EA:CA:BA:51:9C:E5:C0:4A:BA:A1:C5:97:3E:D7:A1:D9:FC:60:28:71:4D:B0:3A:CB:11:7B:64:29:21:9E:58
- Chain
- TWCA Secure SSL Certification Authority → TWCA Global Root CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Jul 28, 2026.
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Uptime
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DNS changes
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TLS certificate
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