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 specmat.com

Valid
Issued by (CA)
Let's Encrypt
Subject
*.specmat.com
Valid from
Jun 11, 2026
Valid until
Sep 9, 2026 (50 days remaining)
Public key
RSA 2048-bit
Serial
06986AA92B07A597C1FE5A1A506F04641483
SHA-256 fingerprint
2B:EB:23:E7:34:29:B9:28:4A:13:56:9F:AB:EB:E7:86:FE:C8:B8:46:A4:05:05:09:A9:67:78:84:0C:55:34:94
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.specmat.com, specmat.com

Certificate Authority Authorization (CAA)

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