SSL/TLS Certificate Lookup

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

netium.cz

SSL/TLS Certificate

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SSL/TLS Certificate for netium.cz

Valid
Issued by (CA)
Let's Encrypt
Subject
www.netium.cz
Valid from
Jun 17, 2026
Valid until
Sep 15, 2026 (56 days remaining)
Public key
RSA 2048-bit
Serial
054CC716A024DC3CA1525FE4A1514ABDE3FA
SHA-256 fingerprint
74:84:35:B7:68:59:2D:37:86:BA:30:76:43:3A:D3:22:4D:B6:52:F2:9B:3E:6F:BB:2D:D4:10:19:55:7F:90:7A
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
netium.cz, www.netium.cz

Certificate Authority Authorization (CAA)

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