SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
collma.sk
SSL/TLS Certificate
SSL/TLS Certificate for collma.sk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- collma.sk
- Valid from
- Jul 12, 2026
- Valid until
- Oct 10, 2026 (81 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05677AA8994A5754EA84F1F6B83DF7136D15
- SHA-256 fingerprint
- E8:CD:1E:D0:C5:D1:83:98:8B:AD:BD:C3:A3:F2:BA:B5:1A:11:11:E9:23:6C:33:B7:C3:19:4A:1B:BA:92:DB:06
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.