SSL/TLS Certificate Lookup

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

c4-kletterschule.de

SSL/TLS Certificate

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SSL/TLS Certificate for c4-kletterschule.de

Valid
Issued by (CA)
Sectigo Limited
Subject
www.c4-kletterschule.de
Valid from
Jun 13, 2026
Valid until
Dec 28, 2026 (160 days remaining)
Public key
RSA 2048-bit
Serial
984639B562CA5C65501463A83F8D3583
SHA-256 fingerprint
84:F8:2A:DC:B5:EF:D5:B9:FB:69:BD:4A:31:5C:18:E6:AC:6C:5C:C6:32:38:DB:EA:AA:99:AB:37:E7:3A:E1:A3
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
c4-kletterschule.de, www.c4-kletterschule.de

Certificate Authority Authorization (CAA)

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