How to turn on Android's Private DNS mode - and why turning it off is a big mistake

Nearly everything you do on your desktop, laptop, phone, and tablet begins with a Domain Name System (DNS) query. Essentially, DNS turns domain names (such as ZDNET.com) into an IP address so web browsers and apps know where to get the information you want.

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Without DNS, you'd have to type 34.149.132.124 every time you wanted to go to ZDNET.com or 74.125.21.102 to go to Google.com. Even by simply running a Google search, DNS is at work. The problem is that standard DNS isn't encrypted, meaning all your queries are sent over the network as plain text.

Why is non-encrypted DNS a problem?

Let's say you're on a public network -- like a coffee shop -- and you start searching for things on your Android ...