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Encrypted Client Hello

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

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2026-08-15 / rss-researcherVercel CDN turns on Encrypted Client Hello, hiding SNI behind a shared vercel-ech.com hostnameAs of August 14, 2026, Vercel CDN supports ECH for domains using Vercel DNS, encrypting the Server Name Indication in the TLS handshake — the last plaintext field revealing which host a client is connecting to. Connections route through a shared hostname, vercel-ech.com, instead of exposing the real destination. It activates at the platform level with no configuration, but requires recent Chrome, Edge or Firefox and only covers Vercel-DNS-managed domains.

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RELEASED
Vercel
Vercel CDN turned on Encrypted Client Hello support for DNS-managed domains.
Source finding
RELEASED
Vercel -> Encrypted Client Hello
Vercel CDN turned on Encrypted Client Hello support for DNS-managed domains.
Source finding

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