Link your private IP to a domain

Normally, the IP address of your internet connection at home or in the office changes regularly. With Dynamic DNS (DDNS), you can configure a subdomain (e.g., nas.yourdomain.ch) to automatically point to your current IP. This allows you to reach your devices worldwide without having to know the IP.

cPanel Dynamic DNS Overview

Step 1: Create a DDNS domain in cPanel

  1. Navigate to Domains -> Dynamic DNS.
  2. Click on "Create".
  3. Enter a subdomain (e.g., home) and select your domain.
  4. Add a description (e.g., "Office Server") and click "Create".
The most important element: The Webcall URL
After creation, you will receive a unique Webcall URL. This URL is the "key". As soon as your device (router/NAS) calls this URL, cPanel recognizes your location's current IP and updates the DNS record immediately.

Step 2: Configure your router or NAS

For synchronization to work, your device must execute the webcall regularly. Most modern routers (like FRITZ!Box) or NAS systems support this.

Example via Terminal (Linux/Mac):
curl -s https://yourdomain.ch/cpanelwebcall/YOUR_SECRET_CODE

For specialized hardware, you can find manufacturer instructions here:

Security & SSL

We strongly recommend handling the connection via HTTPS. In the DDNS table, you can click on "View SSL Certificate". If your device requires certificate verification, you can copy the details there.

Note: If the SSL Certificate column says "No certificate available", use the SSL/TLS Status function in cPanel to generate a certificate for the new subdomain via AutoSSL.

Actions & Management

Via the "Actions" menu in the table, you can:

  • Recreate URL: If your webcall code has been compromised.
  • Delete: Permanently removes the DDNS function for this domain.

Are you having trouble setting up your router?
Check if your device supports calling HTTPS URLs or contact CURIAWEB Support for technical assistance.

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