SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
swtech.sk
SSL/TLS Certificate
SSL/TLS Certificate for swtech.sk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- swtech.sk
- Valid from
- Jun 17, 2026
- Valid until
- Sep 15, 2026 (55 days remaining)
- Public key
- EC 256-bit
- Serial
- 062605B8691827F62CBB0AAFAC782AA8EB2F
- SHA-256 fingerprint
- 7A:71:9F:E9:7E:5A:0C:73:E4:6B:C7:0A:10:3B:A1:55:9E:3B:5E:8B:09:2D:C4:CB:33:5F:06:CA:BC:F3:DC:3C
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.