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 smsl.co.th

Valid
Issued by (CA)
Let's Encrypt
Subject
smsl.co.th
Valid from
Jul 16, 2026
Valid until
Oct 14, 2026 (85 days remaining)
Public key
EC 256-bit
Serial
05D658A8102B54C8BE357FC5FC6B186A5CDC
SHA-256 fingerprint
66:1D:07:DD:93:71:FB:0D:EB:F6:C0:78:CD:36:CD:5F:48:B5:05:C9:43:E3:B4:01:9A:78:1C:85:3B:AC:4C:C5
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
smsl.co.th, www.smsl.co.th

Certificate Authority Authorization (CAA)

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