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 thinkwise.co.kr

Valid
Issued by (CA)
Let's Encrypt
Subject
thinkwise.co.kr
Valid from
Jun 8, 2026
Valid until
Sep 6, 2026 (46 days remaining)
Public key
EC 384-bit
Serial
05B950689AAFB9E71EE37252B09C4BAA5D37
SHA-256 fingerprint
A0:58:E3:01:67:99:BA:DF:51:BD:F3:47:06:68:86:E8:48:18:CD:4F:22:B4:A0:39:DF:AF:DA:84:44:AE:46:B7
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
thinkwise.co.kr, www.thinkwise.co.kr

Certificate Authority Authorization (CAA)

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