SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

patklu.de

SSL/TLS Certificate

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SSL/TLS Certificate for patklu.de

Valid
Issued by (CA)
Sectigo Limited
Subject
*.patklu.de
Valid from
Sep 20, 2025
Valid until
Oct 4, 2026 (75 days remaining)
Public key
RSA 2048-bit
Serial
1474C6D83B645B44570B1A7C9B8D4149
SHA-256 fingerprint
DD:B8:3D:19:BB:C2:A1:63:6F:45:9D:BE:E1:88:5F:5F:B2:83:24:4E:E4:D8:39:C0:22:44:F8:B7:65:05:57:61
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
*.patklu.de, patklu.de

Certificate Authority Authorization (CAA)

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