SSL/TLS Certificate Lookup

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

coopt.de

SSL/TLS Certificate

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SSL/TLS Certificate for coopt.de

Valid
Issued by (CA)
Sectigo Limited
Subject
www.coopt.de
Valid from
Apr 12, 2026
Valid until
Oct 27, 2026 (99 days remaining)
Public key
RSA 2048-bit
Serial
9D56008E800DF7E5AB5274CE59C0B66C
SHA-256 fingerprint
30:94:99:2B:67:AB:81:D6:F1:DD:2A:BE:9D:91:E9:AD:4C:C9:57:5E:E4:AA:AE:8D:1D:DB:8D:B1:07:E3:A2:EF
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
coopt.de, www.coopt.de

Certificate Authority Authorization (CAA)

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