Someone investigating could observe the addresses you access, and possibly your activities, by leveraging contextual hints related to your searches. Private DNS guarantees that all data is encrypted. This effectively safeguards the information behind an encryption key. It would then be shielded from unwanted scrutiny, whether at work or home.
The positive aspect is that Google claims private DNS is activated by default in Android for “all networks capable of utilizing private DNS.” However, if you wish to verify its activation or review its status, here’s how: Go to Settings, then Network & Internet, then Private DNS and choose either Off, Automatic, or Private DNS provider hostname — the latter allows you to input a private DNS server. On Samsung devices, this option can be found under Settings, then Connections, then More Connection Settings, then Private DNS.
