this post was submitted on 09 Nov 2023
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How do you handle your local DNS on your mobile device? (alien.top)
submitted 1 year ago by redditor111222333@alien.top to c/main@selfhosted.forum
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I have a local Adguard home sever, which is used as DNS and DHCP Server. This is completely working fine on my Computers. I was wondering why my phone is still showing ads which were blocked on my PC.

Then I found out that my mobile device is not using my local DNS. I am using a public tld in my home to have valid let's encrypt certs also on my private services. But this is not working on my Android. I found out that my phone is using hard coded DoH Servers. I found people with the same problem online, they are blocking DoH and routing all Port 53 traffic to the local DNS. I did the same. But the only thing I get as result is a timeout in the mobile Webbrowser.

How is it possible to use my local DNS server with public tld on mobiles? Any help is appreciated ๐Ÿ‘

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[โ€“] zfa@alien.top 1 points 1 year ago

What makes you think this is the case?

A DNS leak test showing Cloudflare could just be that is the upstream resolver in your AGH config, for example.

Provide your phone model and Android version, I've never heard of the DNS being unchangeable. Bonus punts if you can post a screenshot of your phones 'private dns' settings.