Select "My Domains" on the left-side menu bar and click "Manage Domains" in the drop-down.
Check the box next to the domain name(s) you want to forward and click on the "Action" button.
Choose "DNS Settings" from the "Action" list.
On the DNS Settings page, select "Dynadot DNS" from the drop-down menu.
In the "Domain Record (optional)" section, select "Forward" from the drop-down menu, choose forward status type from the "Select" dropdown, and then enter the URL you wish to forward to under the "IP Address or Target Host" box.
In the "Subdomain Records (optional)" section, enter "www" as the subdomain, and repeat Step 6.
Press the "Save Settings" button to save your changes.