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 dukat.com

Valid
Issued by (CA)
Let's Encrypt
Subject
*.dukat.com
Valid from
Jun 17, 2026
Valid until
Sep 15, 2026 (57 days remaining)
Public key
RSA 2048-bit
Serial
06DBF0ACFCD466842FFB2A5B98318541CE73
SHA-256 fingerprint
3C:CF:47:1F:2A:45:8A:FE:13:3E:09:13:06:55:75:B8:66:2E:CF:7F:3A:06:F5:59:EE:4E:00:3E:5B:3C:C5:E8
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.dukat.com, dukat.com

Certificate Authority Authorization (CAA)

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