SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
tien-ming.com.tw
SSL/TLS Certificate
SSL/TLS Certificate for tien-ming.com.tw
Valid- Issued by (CA)
- ZeroSSL GmbH
- Subject
- pcoffice.com.tw
- Valid from
- Oct 20, 2026
- Valid until
- Jan 18, 2027 (67 days remaining)
- Public key
- RSA 2048-bit
- Serial
- BAC5D3969B9502C1D36390A4BD439A65
- SHA-256 fingerprint
- 9E:83:1C:DF:D0:4B:D0:46:48:68:68:A1:29:F3:91:5C:94:46:C3:F7:84:6E:B2:9C:D3:46:41:97:4C:F3:BA:76
- Chain
- ZeroSSL RSA DV SSL CA 2 → Sectigo Public Server Authentication Root R46
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 Nov 8, 2026.
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Uptime
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DNS changes
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TLS certificate
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