Creating a DNS server Guide

Creating a DNS server involves several steps:

• Incorporating registration
• Configuring a Linux server
• Setting up Nginx
• Obtaining an SSL certificate with Certbot

Finally, configure your server to manage DNS requests. Below is a simplified guide :

Step 1: Acquire a Server

Purchase a High-Quality Server: Look for one with a clean setup and low ping to ensure good performance and responsiveness.

Step 2: Register a Domain

Register at No-IP: Visit noip.com and create an account.

Set Up Your Domain: Go to the 'My Services' section and navigate to the DNS records section. Here, create a host or subdomain, such as http://gogoli.webhop.me.

Step 3: Prepare Your Linux Server

• Open Ports: Ensure ports 80 (HTTP) and 443 (HTTPS) are open on your server firewall.
• Install Nginx:

  sudo apt install nginx

• Configure Nginx: Edit /etc/nginx/sites-enabled/default to change the server_name to your domain (gogoli.webhop.me in your example).

Step 4: Obtain an SSL Certificate with Certbot

• Install Certbot:

  sudo apt install certbot python3-certbot-nginx

• Run Certbot:

  sudo certbot --nginx -d yourdomain.com

Step 5: Configure Nginx and Certbot for Your Domain

Configure SSL/TLS:

Ensure nginx.conf is properly set with directives managed by Certbot, indicating paths to certificates and keys.

Step 6: Install Development Tools

Install Snap and Go:

sudo snap install go --classic
sudo apt install git

Step 7: Finalize Nginx Configuration

• Edit nginx.conf: Replace the content with your customized configuration, setting your own domain in place of <YOUR_HOST>.
• Restart Nginx:

  sudo systemctl stop nginx  
  sudo systemctl start nginx

Step 8: Configure Custom DNS Handling

• Edit Config.json: Adjust the parameters to match your domain and IP address.
• Deploy Your Service: Run the following command :

  go run main.go

or go build main.go for compiling the application.

Background Execution: Use tmux or a similar tool to run your application in the background.

Conclusion

Following these steps will help you set up a DNS server capable of redirecting and managing web traffic as per your custom configurations.

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