A cartoon intro to DNS over HTTPS
As a cynic I would say this is an attempt by Google and Cloudflare to collect DNS data. Why else would they provide this service for free?<p>Both Google's [1] and Cloudflare's [2] DNS privacy policy prohibits them from storing personally identifiable information or from correlating DNS information with other Google data coming from the same IP/account but it does allow them to store information about which domains are popular, from which locations and from which type of device.<p>TLS (and therefore HTTPS) provides a very useful fingerprint based on accepted cipher suites, extensions, compression methods...<p>[1] <a href="https://developers.google.com/speed/public-dns/privacy" rel="nofollow">https://developers.google.com/speed/public-dns/privacy</a><p>[2] <a href="https://developers.cloudflare.com/1.1.1.1/commitment-to-privacy/privacy-policy/firefox/" rel="nofollow">https://developers.cloudflare.com/1.1.1.1/commitment-to-priv...</a><p>[3] <a href="https://devcentral.f5.com/articles/tls-fingerprinting-a-method-for-identifying-a-tls-client-without-decrypting-24598" rel="nofollow">https://devcentral.f5.com/articles/tls-fingerprinting-a-meth...</a>