SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
dung-cheng.com.tw
SSL/TLS Certificate
SSL/TLS Certificate for dung-cheng.com.tw
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.dung-cheng.com.tw
- Valid from
- Sep 25, 2026
- Valid until
- Dec 24, 2026 (64 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 051C5D7495B81F45CB25DC0A7EDC3128F552
- SHA-256 fingerprint
- 1A:07:36:7F:AA:56:52:0F:2E:3A:93:E4:8A:A4:EC:65:B7:1D:D3:8A:D9:52:D6:AC:3A:94:F6:84:BA:A3:47:D3
- Chain
- YR2 → Root YR → ISRG Root X1
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 Oct 7, 2026.
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Uptime
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DNS changes
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TLS certificate
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