Not exactly the simplest instructions, to your point, but you can still just do it once for them or get on a call and walk them through it. They might even notice that websites load faster when they don't make dozens of requests to advertisers and trackers.

Point is that using any kind of DNS based blocking is far better at the router level but the above poster is right in that a lot of ISPs these days make it impossible to adjust your router level DNS and even for someone tech minded setting up some kind of downstream secondary router can be become so convoluted that they just give up.

> NextDNS supports all 4 protocols. See the setup tab for more information on how to use them.

If you are trying to intercept dns traffic that ignores your dns setting that’s a separate issue.