Automated Dynamic DNS Update for Namecheap Using Public IP Detection

Overview

This workflow automates the process of updating Namecheap's Dynamic DNS records with your current public IP address. It ensures that your domain always points to the correct IP, even if your public IP changes frequently.

Key Features

• Scheduled Checks: Uses a cron node to periodically trigger the workflow.
• IP Change Detection: Compares the current public IP with the previously stored value to detect changes.
• Subdomain Management: Iterates through a list of subdomains to update each one as needed.
• API Integration: Sends HTTP requests to Namecheap's Dynamic DNS API to update records automatically.

Benefits

• Minimizes Downtime: Ensures your domain/subdomains always resolve to the correct IP, reducing service interruptions.
• Hands-Free Management: Eliminates the need for manual DNS updates when your IP changes.
• Scalable: Easily adapts to multiple subdomains and domains.

Use Cases

• Hosting web services from dynamic IP environments (e.g., home servers).
• Maintaining remote access to devices or applications without static IPs.
• Ensuring reliable connectivity for self-hosted applications.

Integrations & Automation

• Namecheap Dynamic DNS API: For DNS record updates.
• Public IP Detection: Retrieves the current public IP via HTTP request.
• n8n Automation: Orchestrates the entire process, saving time and reducing errors.