This is what I do, I have used ADB to make a dns quick setting tile, so now I can switch from the private dns to auto at the push of the tile. Just go to this post to see how to make it

https://www.reddit.com/r/nextdns/s/ZYzUq5hj1X

Don’t know why the downvotes, this is literally the most accurate comment here… people saying it looks different to iOS probably haven’t got the latest software I bet…