SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for yu-donge.com.tw

Valid
Issued by (CA)
Let's Encrypt
Subject
www.yu-donge.com.tw
Valid from
Oct 3, 2026
Valid until
Jan 1, 2027 (88 days remaining)
Public key
RSA 2048-bit
Serial
0684329FF2FAE4BA3F7DBF8ACE932A443654
SHA-256 fingerprint
02:2C:E9:E7:64:D4:2B:39:BD:42:19:C6:E4:E9:9C:BF:F2:F1:BC:51:EC:C5:71:F2:32:71:07:CE:3F:58:E9:6A
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
www.yu-donge.com.tw, yu-donge.com.tw

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 1, 2026.

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Uptime

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DNS changes

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TLS certificate

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