- Rename WHMDDNS.confip.php.example to WHMDDNS.confip.php and fill out your WHM URL.
- Upload WHMDDNS.confip.php and WHMDDNS.php to a directory on a web server running PHP5.3+.
- Set up your router's dynamic IP address settings to use a customer update URL: http://[USERNAME]:[PASSWORD]@webserver.com/WHMDDNS.php?hostname=[DOMAIN]&myip=[IP]
- The username/password used for DDNS updates is your WHM username/password.