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 dzban-koupaliste.cz

Hostname mismatch
Issued by (CA)
GlobalSign nv-sa
Subject
*.blueboard.cz
Valid from
May 18, 2026
Valid until
Dec 3, 2026 (135 days remaining)
Public key
RSA 2048-bit
Serial
1D87C4CD5608A23DEDC5ECE2
SHA-256 fingerprint
F1:98:19:E1:F3:75:82:48:E5:86:67:D1:AB:D8:6E:D0:EB:2A:D2:C8:EB:29:B5:AA:42:A4:E2:0C:45:8D:A2:FC
Chain
GlobalSign GCC R6 AlphaSSL CA 2025 → GlobalSign → GlobalSign → GlobalSign
Subject Alternative Names (2)
*.blueboard.cz, blueboard.cz

Certificate Authority Authorization (CAA)

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