F
Post-quantum TLS readiness
voskhod.ru
Critical issue to fix first
Short answer
No. As of 2026-11-09, voskhod.ru does not negotiate post-quantum key exchange; it uses x25519 over TLSv1.3 (Quantum Aether grade F), so recorded traffic is exposed to harvest-now-decrypt-later.
| Grade | F |
|---|---|
| Key exchange | x25519 |
| Post-quantum | no (classical) |
| TLS | TLSv1.3 |
| Hosting network | Federal State Institution Research and Development Institute "Voskhod", FGAU |
| Tranco rank | #3646 |
| Country | 🇷🇺 Russia: #24/24 (15.3%) |
From our weekly tracker of the top 10,000 sites, scanned on 2026-11-09 · /adoption
Weekly history
| Week | Grade | Key exchange | Post-quantum |
|---|---|---|---|
| 2026-W46 | F | x25519 | no |
| 2026-W45 | F | x25519 | no |
Show your readiness on your site
Markdown
[](https://ather-quantum.com/verify/voskhod.ru)