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
  • Electro
  • DNS Pro
  • Begzar
  • Google
  • Cloudflare

• Includes “Reset to Default” option (127.0.0.53)

• Preserves custom options and search lines

Usage

git clone https://github.com/Argo160/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
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
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