SSL/TLS Certificate Lookup

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

ptsystem.cz

SSL/TLS Certificate

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SSL/TLS Certificate for ptsystem.cz

Valid
Issued by (CA)
Actalis S.p.A.
Subject
www.ptsystem.cz
Valid from
May 23, 2026
Valid until
Nov 23, 2026 (124 days remaining)
Public key
RSA 2048-bit
Serial
58238FCDE2B6D02F66CF75FD0F949FC6
SHA-256 fingerprint
25:FE:17:78:C1:66:1A:00:D6:5C:E8:3B:50:A6:21:14:1E:7E:9E:DA:04:C0:1A:84:0F:25:71:36:0C:61:D0:E1
Chain
Actalis Domain Validation Server CA G3 → Actalis Authentication Root CA
Subject Alternative Names (2)
ptsystem.cz, www.ptsystem.cz

Certificate Authority Authorization (CAA)

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