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Encrypted Client Hello (ECH) is now supported on Vercel CDN

UpdateVerifiedAdded Sep 22, 2026

Vercel CDN now supports Encrypted Client Hello (ECH) for domains managed by Vercel DNS. ECH encrypts the Server Name Indication (SNI) in the TLS handshake, the last part of an HTTPS connection that revealed which hostname a client was connecting to. With ECH, network observers see a connection to Vercel's shared ECH hostname, vercel-ech.com .

Read Vercel's release notes

https://vercel.com/changelog/encrypted-client-hello-now-supported-on-vercel-cdn

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

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