Android gets a feature that causes dns requests to be encrypted so that ISPs do not see which websites their subscribers seek, so XDA reports. Dns (domain name system) is similar to the phonebook and, among other things, translates domain names into IP addresses.
If an Internet user enters a domain name in his browser, the computer sends a request to a dns server, which then returns the website's ip address to the browser, which can load the website. Often these requests go to the internet server's dns server. However, the requests are unencrypted, allowing anyone who has access to the connection that can see.
Dns over tls is a protocol that encrypts dns requests, as does https for traffic to and from websites. The encryption of tls must prevent tapping and manipulating dns requests in the network, thus protecting the privacy of users. Inside the Android Open Source Project (AOSP), code has now appeared that indicates that dns is added to tls on Android.
Users could immediately enable or disable it using the OS's Developer Options. The feature may be added to Android 8.1. Users who want to use dns over tls must choose a dns server that supports this. In addition, the encrypted dns requests will still be visible to this dns server.
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