⚛ Quantum Aether
A

Post-quantum TLS readiness

csfd.cz

Ready: quantum-resistant key exchange

Short answer

Yes. As of 2026-11-03, csfd.cz negotiates the hybrid post-quantum key exchange X25519MLKEM768 over TLSv1.3 (Quantum Aether grade A).

GradeA
Key exchangeX25519MLKEM768
Post-quantumyes
TLSTLSv1.3
Hosting networkVSHosting s.r.o.
Tranco rank#6985
Country🇨🇿 Czechia: #23/26 (37.5%)

From our weekly tracker of the top 10,000 sites, scanned on 2026-11-03 · /adoption

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post-quantum TLS: A

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[![Post-quantum TLS grade by Quantum Aether](https://ather-quatum.cloud/badge/csfd.cz.svg)](https://ather-quatum.cloud/?domain=csfd.cz)

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