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DNS Switcher

A simple Bash script to quickly switch your system DNS servers to popular providers like Shecan, Radar, Electro, Google, and more — designed for gaming, reduced ping, bypassing censorship, and stable connections.

🇮🇷 Built for users in Iran and anyone looking for fast and reliable DNS switching.

Features

  • Interactive CLI to choose DNS providers

  • Auto backup of /etc/resolv.conf

  • Supports public and local DNS:

    • Shecan
    • Radar
    • Electro
    • DNS Pro
    • DynX
    • 403
    • Begzar
    • Google
    • Cloudflare

  • Includes “Reset to Default” option (127.0.0.53)

  • Preserves custom options and search lines

Usage

git clone https://github.com/Linuxmaster14/dns-switcher.git
cd dns-switcher
chmod +x dns-switcher.sh
sudo ./dns-switcher.sh

⚠️ You must run the script with sudo or as root to update system DNS.

Supported DNS Providers

This script includes a curated list of reliable DNS servers used widely in Iran for bypassing restrictions and improving latency:

Provider Primary IP Secondary IP
Shecan 178.22.122.100 185.51.200.2
Radar 10.202.10.10 10.202.10.11
Electro 78.157.42.100 78.157.42.101
Begzar 185.55.226.26 185.55.226.25
DNS Pro 87.107.110.109 87.107.110.110
DynX 10.70.95.150 10.70.95.162
403. 10.202.10.202 10.202.10.102
Google 8.8.8.8 8.8.4.4
Cloudflare 1.1.1.1 1.0.0.1

License

MIT – free for personal and commercial use. See LICENSE for details.

Author

Made with Linuxmaster14