Are you using Encrypted Client Hello?

More info on ECH: https://blog.mozilla.org/en/products/firefox/encrypted-hello...

Chrome enables ECH in version 117: https://chromestatus.com/feature/6196703843581952

Firefox enables ECH since version 119: https://www.mozilla.org/en-US/firefox/119.0/releasenotes/

Both implementations require DNS-over-HTTPS to be enabled.