SSL/TLS Certificate Lookup

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

opnsrc.de

SSL/TLS Certificate

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SSL/TLS Certificate for opnsrc.de

Valid
Issued by (CA)
ZeroSSL GmbH
Subject
*.opnsrc.de
Valid from
Jun 18, 2026
Valid until
Sep 16, 2026 (57 days remaining)
Public key
RSA 4096-bit
Serial
A19354965B3B0D3D92E57C79C5D4974D
SHA-256 fingerprint
89:D0:C5:9B:1E:67:52:0E:D6:19:FC:01:14:9F:D0:92:13:EA:C2:BE:93:7A:7B:16:24:98:64:FE:18:F6:4F:C0
Chain
ZeroSSL RSA DV SSL CA 2 → Sectigo Public Server Authentication Root R46
Subject Alternative Names (2)
*.opnsrc.de, opnsrc.de

Certificate Authority Authorization (CAA)

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