SSL/TLS Certificate Lookup

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

bytustka.cz

SSL/TLS Certificate

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SSL/TLS Certificate for bytustka.cz

Valid
Issued by (CA)
Alpiro s.r.o.
Subject
www.bytustka.cz
Valid from
Nov 9, 2025
Valid until
Dec 10, 2026 (142 days remaining)
Public key
RSA 2048-bit
Serial
7FA1E64A3CA2A962B122BDE6A1827AC2
SHA-256 fingerprint
2C:80:D4:7A:2C:68:F9:81:45:A2:42:F5:F0:D7:25:E2:A1:87:1A:BD:1F:45:14:6B:D6:2D:B2:66:26:E7:1A:02
Chain
Alpiro RSA DV SSL CA 2 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Subject Alternative Names (2)
bytustka.cz, www.bytustka.cz

Certificate Authority Authorization (CAA)

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