DNSNet

github.com/t895/DNSNet Ad & Tracker Blockers Open-source projectOpen source

Block hosts through DNS on Android with DNSNet, a DNS-based filtering app.

github.com/t895/DNSNet
DNSNet homepage screenshot

About DNSNet

DNSNet is an open-source Android app that blocks unwanted hosts via DNS filtering. It is a continuation of the DNS66 project built with modern Android development practices, and its default configuration uses widely-respected host files to block ads, malware, and other unwanted content. The app operates entirely on-device by leveraging Android's VPN service API to intercept and filter DNS requests without routing traffic to a remote server.

Notable limitations include ongoing battery usage from the constantly running background service, incompatibility with other concurrent VPN services on Android, and broken Windows build support due to issues with the HTTP/3 quiche crate.

Key features

  • DNS-based blocking of ads, malware, and unwanted content
  • Uses widely-respected default host file lists
  • Processes all filtering on-device with no remote routing
  • Operates via Android's native VPN service API
  • Open source under GPL-3.0 license
  • Pre-built APKs available in project releases
Best for: Android users seeking local, on-device DNS-based blocking of ads, malware, and unwanted content without routing traffic to a remote server.
Good for
  • All DNS filtering is processed on-device with no remote traffic routing
  • Default configuration uses widely-respected host files for blocking
  • Open source with public repository and documented build process
Watch out for
  • Constant background operation incurs additional battery usage
  • Cannot run concurrently with other Android VPN services
  • Windows builds are currently broken due to quiche crate compilation issues

DNSNet at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Android
Open source
Yes · Source code
Language
English
Last checked
Oct 6, 2026 · Online when checked
Listed
Oct 5, 2026

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DNSNet FAQ

How does DNSNet filter internet traffic?
It uses Android's VPN service API to intercept DNS requests on-device, then blocks or allows requests based on configured filter lists.
Can DNSNet run alongside other VPN apps?
No, Android only allows one VPN service to run at a time, so DNSNet cannot run concurrently with other VPN tools.
Why are Windows builds of DNSNet unsupported?
Windows builds are broken due to unresolved compilation issues with the HTTP/3 quiche crate used by the app.
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