Introduction

WHM (Web Hosting Manager) users may encounter the error message "Could not determine the nameserver IP address for 'domain'" when trying to add an addon domain. In this article, we will walk you through the step-by-step process to resolve this error.

Step 1: Log in to WHM Root

The first step is to log in to your WHM administrator account. Log in with your username and password.

Step 2: Navigate to Server Configuration

After logging in, you should see the WHM dashboard. From the left-hand menu, click on "Server Configuration."

Step 3: Select the 'Tweak Settings' Icon

In the "Server Configuration" section, select the "Tweak Settings" icon.

Step 4: Go to the 'Domains' Tab and Enable 'Allow Unregistered Domains' Option

Once on the "Tweak Settings" page, locate the "Domains" tab and click on it. Under this tab, find the "Allow unregistered domains" option and enable it.

Step 5: Save the Changes

After enabling the "Allow unregistered domains" option, click the "Save" button located at the bottom of the page to save the changes.

Conclusion

Following these steps should reduce the likelihood of encountering the "Could not determine the nameserver IP address for 'domain'" error when adding an addon domain in WHM. This WHM setting allows you to add unregistered domains as addon domains and helps resolve this error. If you are still experiencing issues, reaching out to your hosting provider's support team is always an option.