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 studna.sk

Valid
Issued by (CA)
Let's Encrypt
Subject
www.studna.sk
Valid from
May 16, 2026
Valid until
Aug 14, 2026 (23 days remaining)
Public key
RSA 2048-bit
Serial
05DF989E398080FA8089A8E6C777D467BEA4
SHA-256 fingerprint
4D:60:DF:08:66:59:FE:79:36:C4:DB:E0:D5:02:88:9E:2A:16:D5:77:B4:4B:06:72:7C:D8:D2:FB:91:2A:75:0D
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
studna.sk, www.studna.sk

Certificate Authority Authorization (CAA)

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