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 khaopoon.ac.th

Valid
Issued by (CA)
Let's Encrypt
Subject
*.khaopoon.ac.th
Valid from
Jul 8, 2026
Valid until
Oct 6, 2026 (77 days remaining)
Public key
RSA 4096-bit
Serial
0503DD032D8975617F56C779979F2A1764CD
SHA-256 fingerprint
0D:AB:EF:30:DD:5D:38:2F:FC:8F:01:66:F3:46:11:00:20:85:F4:D1:5C:2B:4D:FC:E0:CD:4E:24:D6:36:FC:43
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.khaopoon.ac.th, khaopoon.ac.th

Certificate Authority Authorization (CAA)

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