SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
studna.sk
SSL/TLS Certificate
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
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.