DNS Manager - Quick DNS Switching Tool

Description

This is a lightweight DNS changer application written in C for Windows. It allows users to quickly switch their DNS settings without navigating through complex network configurations.

Features

• One-click DNS switching
• Supports custom DNS configurations
• Simple and intuitive interface
• Pre-configured default DNS servers
• Minimal resource usage

Usage

1. Run program.exe as Administrator.
2. The application will automatically apply the configured DNS settings.
3. Restart your system to revert to previous DNS settings.

Custom DNS Configuration

To use your preferred DNS servers:

1. Create a text file named dns_config.txt in the same directory as the executable.
2. Add your desired DNS addresses, one per line (max two servers).

Example dns_config.txt:

8.8.8.8  
8.8.4.4  

Default DNS Servers

If the configuration file is missing, empty, or unreadable, the application will use these fallback DNS servers:

• 185.51.200.2
• 178.22.122.100

Compilation Instructions

To compile from source (requires Mingw):

1. Place these files in the same directory:
   • main.c (root folder)
   • icon.ico & resource.rc (from assets folder)
2. Run these commands:

windres resource.rc -O coff -o resource.res  
gcc main.c resource.res -o program.exe -mwindows  

Requirements

• Windows OS
• Administrator privileges

License

Released under the MIT License.

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Note: This tool modifies system network settings. Use with caution.