adfree DoH

Public strictly non-logging DNS over HTTPS (DoH) server with advertising and tracker blocking.

Basic Android Setup

1. Install Intra App

2. Change default DoH Server to

Change Intra default DoH server to adfree updns DoH server

3. Verify updns DoH server is working

Additional Intra Settings

Verify advertising and tracker URLs are blocked

The updns Server responds with NXDOMAIN for filtered domains.

Show recent queries in Intra Android app.

In the following screenshot you see that Snapchat App Analytics is blocked by the updns DoH server.

Our adfree DoH server works best against tracking by mobile apps. DNS-based blocking is very coarse-grained. We therefore recommend you use browsers with blocking extensions and use our DNS service primarily to counter mobile app tracking. You can exclude e.g. your mobile browser from Intra:

Exclude mobile browsers from Intra and rely on browser tracker blocking.