Step 1:Select Managed DNS
Step 2: Select a domain
Select a domain from the either the “Recently Updated Domains” box, or start typing the domain name in the textbox on the “Select Domain” tab.
Step 3: Select the Settings tab
Step 4: Disable GTD
Click the check box to disable the Global Traffic Director, click Save. IMPORTANT: All defined GTD region specific records will be immediately deleted from the domain. Save your changes.