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 lyc2.org
Hostname mismatch- Issued by (CA)
- Let's Encrypt
- Subject
- afu.kyiv.ua
- Valid from
- Jul 4, 2026
- Valid until
- Oct 2, 2026 (72 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05AB3D7C9CB9A40DECDDF9A96843730AA298
- SHA-256 fingerprint
- C4:48:41:CA:7C:54:79:0A:CE:2D:E8:AF:C6:BD:49:E2:D9:18:2E:40:8D:4B:9C:51:45:91:CD:FA:1E:02:25:71
- 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.