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 dcis.co.th

Valid
Issued by (CA)
Let's Encrypt
Subject
dcis.co.th
Valid from
Jun 10, 2026
Valid until
Sep 8, 2026 (48 days remaining)
Public key
RSA 4096-bit
Serial
05312D87F15EE6AF23AE12C2ECF73105BF15
SHA-256 fingerprint
A9:57:17:F8:C9:A4:56:8F:7D:48:E0:B2:FF:B3:58:22:71:A2:75:16:0F:5A:FA:20:75:60:A4:1B:0E:6D:43:31
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
dcis.co.th, www.dcis.co.th

Certificate Authority Authorization (CAA)

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