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 app.co.th

Valid
Issued by (CA)
Let's Encrypt
Subject
app.co.th
Valid from
Jul 4, 2026
Valid until
Oct 2, 2026 (73 days remaining)
Public key
EC 256-bit
Serial
0501028469193056F0D9225189057EA144AB
SHA-256 fingerprint
0D:47:A1:09:CB:BD:C4:32:A2:F3:68:22:D8:33:3C:43:F1:59:AB:4D:56:3F:FD:5F:5E:6C:C6:83:C0:EE:F6:D6
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
*.app.co.th, app.co.th

Certificate Authority Authorization (CAA)

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