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 decemsys.de

Valid
Issued by (CA)
Sectigo Limited
Subject
*.decemsys.de
Valid from
May 22, 2026
Valid until
Dec 2, 2026 (135 days remaining)
Public key
RSA 2048-bit
Serial
F3565B5E0796F78E3F9C104B155FD4FA
SHA-256 fingerprint
50:BB:9A:39:11:64:C2:F2:E5:2F:E8:92:E6:FE:A2:E6:05:5D:B7:91:AF:0A:BE:97:A1:05:03:25:F6:DB:2C:97
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.decemsys.de, decemsys.de

Certificate Authority Authorization (CAA)

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