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 umkreis-institut.de

Valid
Issued by (CA)
Sectigo Limited
Subject
www.umkreis-institut.de
Valid from
Oct 14, 2025
Valid until
Nov 4, 2026 (81 days remaining)
Public key
RSA 2048-bit
Serial
DF2CB9E3ED6CC462DB2EEFD1C2B766FE
SHA-256 fingerprint
5B:8A:4E:55:66:9A:3F:B9:D2:5C:A5:0C:E9:E5:CB:41:DB:26:50:2B:24:DD:6D:C8:16:8C:D5:C4:C7:8C:37:2B
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
umkreis-institut.de, www.umkreis-institut.de

Certificate Authority Authorization (CAA)

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TLS certificate

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