Private DNS on Samsung devices (szmer.info)

submitted 1 day ago by lemmus@szmer.info to c/privacy@lemmy.ml

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I try to use "private DNS" option in my phone's settings, but it often does not work, and therefore privacy cannot be protected all the time. Sometimes I just cannot even ping other servers by IP (like 1.1.1.1) because of it. My question is: WHY this function requires hostname (so you need to query some other plain text DNS before reaching encrypted DNS)? Also if I understand well, it uses DNS over TLS, but I'm curious why not DNS over HTTPS (which seems like a reliable solution since I have it configured in my browser and there is never a problem with it...also it uses IP address instead of hostname). Why no one is seeing this problem and no one wants to address it? I tried downloading Quad9 app, but it does not work either (I guess some IPS is filtering TLS requests in my network, but again why DOH is not used then?).

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[-] shortwavesurfer@lemmy.zip 1 points 11 hours ago

I think Quad9 works as a VPN app, and you cannot use a VPN app and private DNS at the same time. You have to use one or the other.

[-] lemmus@szmer.info 1 points 6 hours ago

Well, I meant by using it and private DNS set on auto (in that case off, cuz network has not provided one) it could not start

this post was submitted on 30 Apr 2025

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