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 dotlook.com

Expired
Issued by (CA)
Let's Encrypt
Subject
www.dotlook.com
Valid from
Sep 9, 2024
Valid until
Dec 8, 2024 (expired 590 days ago)
Public key
RSA 4096-bit
Serial
044474283997C9DEB28A7C904C94CA8A025E
SHA-256 fingerprint
C4:A9:FB:A0:B9:7C:68:AC:95:89:63:7D:A0:57:51:D2:75:32:F2:85:B2:18:31:75:BA:58:BC:34:D1:29:17:1D
Chain
R11 → ISRG Root X1
Subject Alternative Names (1)
www.dotlook.com

Certificate Authority Authorization (CAA)

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

This certificate has been served since Jul 21, 2026.