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 safwu.com.tw

Valid
Issued by (CA)
Let's Encrypt
Subject
safwu.com.tw
Valid from
Jul 16, 2026
Valid until
Oct 14, 2026 (85 days remaining)
Public key
RSA 2048-bit
Serial
05B129718745AF08CDAEC43B1044BD11512D
SHA-256 fingerprint
59:ED:75:D9:30:9D:DD:38:A1:5D:FA:43:D1:C9:DB:F4:E6:1D:F9:05:95:0E:F4:6D:5D:8C:6F:DE:0B:24:05:70
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.safwu.com.tw, safwu.com.tw

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.