A Windows application that creates a local DNS server with configurable upstream DNS servers, supporting both IPv4 and IPv6 with load balancing and failover capabilities.

• Windows 7/8/8.1/10/11 (x64)
• You need administrator privileges (required for binding to port 53)

1. Build or Download the application from the Release section
2. Install application (admin privileges are required for DNS server functionality)
3. Configure DNS Servers:
   • Open Settings application
   • Add your preferred DNS servers (one per line)
   • Choose operation mode
   • Click OK to apply
4. Configure System DNS:
   • Open Network Settings → Change adapter options
   • Right-click your network connection → Properties
   • Select "Internet Protocol Version 4 (TCP/IPv4)" → Properties
   • Set Preferred DNS server to 127.0.0.1
   • (Optional) Set Alternate DNS server to a backup like 1.1.1.1

The application comes pre-configured with popular DNS servers:

IPv4:

• Google DNS: 8.8.8.8, 8.8.4.4
• Cloudflare DNS: 1.1.1.1, 1.0.0.1

IPv6:

• Google DNS: 2001:4860:4860::8888, 2001:4860:4860::8844
• Cloudflare DNS: 2606:4700:4700::1111, 2606:4700:4700::1001

This project is licensed with GPL license.