C

Post-quantum TLS readiness

ana.co.jp

Needs an upgrade: no TLS 1.3

Short answer

No. As of 2026-11-03, ana.co.jp does not negotiate post-quantum key exchange; it uses x25519 over TLSv1.2 (Quantum Aether grade C), so recorded traffic is exposed to harvest-now-decrypt-later.

GradeC
Key exchangex25519
Post-quantumno (classical)
TLSTLSv1.2
Hosting networkAkamai Technologies, Inc.
Tranco rank#4483
Country🇯🇵 Japan: #19/26 (42.2%)

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

Show your readiness on your site

post-quantum TLS: C

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

Related sites