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 edus.pl
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- edus.pl
- Valid from
- Jun 20, 2026
- Valid until
- Sep 18, 2026 (58 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05BCF5D2D206B24D8D45E73C170B325FFA00
- SHA-256 fingerprint
- BF:EC:92:03:43:28:AF:16:D2:5D:00:75:E2:5A:67:47:D2:F5:CE:E1:8C:20:CC:AA:2E:28:6F:8D:4D:20:33:49
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.