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A cross-platform DNS switcher tool built with Tauri 2, React, and Rust. Supports Windows and macOS.
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README.en.md

DNS Chooser

简体中文

Cross-platform DNS Resolution Server Switching & Management Tool

Platform Tech

Features

Core Features

Feature Description
DNS Latency Probing Performs UDP-based latency measurement against built-in and custom DNS servers; results auto-sorted by response time
DNS Quick Switching Apply target DNS configuration with a single click based on probe results or preset list
Custom DNS Configuration Manually specify primary and secondary DNS server addresses
DHCP Fallback One-click restore to DHCP-automated DNS acquisition
DNS Cache Flushing Windows: ipconfig /flushdns, macOS: dscacheutil -flushcache
DNS Resolution Lookup Query domain resolution results via a specified DNS server
Privilege Status Detection Real-time UI indicator showing whether the current process holds administrator/root privileges

Additional Features

Feature Description
Adaptive Theme Automatically follows system light/dark theme for optimal visual comfort
DNS Preset Library 12 mainstream public DNS services pre-configured for one-click selection
Custom Probe List Batch latency probing against any user-specified DNS address list
Real-time DNS Status Continuously displays current network interface DNS configuration
UDP Direct Probing Sends real DNS query packets to port 53; results are more representative than ICMP Ping

Quick Start

Prerequisites

Windows Additional Requirements

  • Visual Studio 2022 Build Tools (select "Desktop development with C++" workload)
  • Or install via: winget install Microsoft.VisualStudio.2022.BuildTools

Launch Development Mode

git clone https://github.com/z1HwanG/DNS-Chooser.git
cd DNS-Chooser
npm install
npm run tauri:dev

Build Release

npm run tauri:build

Privilege Notes

Modifying system DNS configuration and flushing DNS cache requires administrator privileges:

Platform Authorization Method
Windows Right-click → "Run as administrator"
macOS System authorization dialog via osascript

Architecture

Layer Technology
Frontend Framework React 18 + TypeScript
Build Tool Vite 5
Desktop Framework Tauri 2
Backend Runtime Rust
DNS Probing Native UDP Socket (tokio)
System Interface netsh (Windows) / networksetup (macOS)
Styling Pure CSS (CSS Variables Theme System)
Notification react-hot-toast

License

This project is open-sourced under the MIT license.