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 net2c.sk
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- net2c.sk
- Valid from
- Jul 12, 2026
- Valid until
- Oct 10, 2026 (80 days remaining)
- Public key
- EC 256-bit
- Serial
- 05E593EC77C20B1D8A8A8CB45817606938B0
- SHA-256 fingerprint
- 5A:80:1D:57:6B:59:BB:89:E8:03:0E:D0:BD:8D:8C:D3:49:B4:4D:F1:D8:22:09:07:16:D0:DE:83:28:19:40:24
- Chain
- YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).