To delete a custom domain:
- In the top navigation bar, click and click Settings.
- In the menu on the left, click Branding.
- Navigate to the section of the custom domain you want to delete. For example, to delete a landing page mytestplatform.com, click to the right of that custom domain and click Delete.
- A pop-up message asks you to confirm that you want to permanently delete the the custom domain, click OK to confirm deletion.