SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for supin.cz

Valid
Issued by (CA)
DigiCert Inc
Subject
www.supin.cz
Valid from
Nov 19, 2025
Valid until
Dec 20, 2026 (153 days remaining)
Public key
RSA 2048-bit
Serial
05ECA50AF984E935CC3AD4857E0A33AA
SHA-256 fingerprint
42:3E:34:77:D3:C6:84:0C:D1:C8:FF:8C:62:F2:BC:60:9A:F2:E3:8D:42:93:A2:B3:CD:F6:72:98:86:96:E2:A1
Chain
GeoTrust TLS RSA CA G1 → DigiCert Global Root G2
Subject Alternative Names (22)
cas.supin.cz, casalt.supin.cz, certif.ckp.cz, ckp.cz, coffice.supin.cz, ecdn.supin.cz, ic.ckp.cz, isegw.supin.cz, konferencecap.cz, ombudsmancap.cz, rzpc.ckp.cz, sporyozivotko.cz, supin.cz, vzs.supin.cz, www.1224.cz, www.ckp.cz, www.konferencecap.cz, www.ombudsmancap.cz, www.pojistnerozpravy.cz, www.pojistnyobzor.cz, www.sporyozivotko.cz, www.supin.cz

Certificate Authority Authorization (CAA)

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