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 heidelberg.com

Valid
Issued by (CA)
Sectigo Limited
Subject
Valid from
Nov 25, 2025
Valid until
Nov 25, 2026 (127 days remaining)
Public key
RSA 2048-bit
Serial
DF45B72235BD253B33FAFC9FDA45073A
SHA-256 fingerprint
12:30:6D:EE:21:36:94:05:6C:28:F4:B7:25:58:82:33:49:87:18:37:76:F2:9B:AF:6D:71:9B:B9:68:F9:84:14
Chain
Sectigo Public Server Authentication CA OV R36 → Sectigo Public Server Authentication Root R46
Subject Alternative Names (2)
*.heidelberg.com, heidelberg.com

Certificate Authority Authorization (CAA)

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