Tumblr is a microblogging and social networking website, which allows users to post multimedia and other content to a short-form blog. One of the easiest ways to use our services and Tumblr is by using our Records Templates. They allow you to create the necessary records in your Master DNS Zone.
In your ClouDNS account, you need to create a Master DNS Zone. If you do not know how to do it, you can check it here. When your Master DNS Zone is created, go to your DNS Zone Control Panel and find the "Records Templates" button, located between the "SOA settings" and "Cloud domains" buttons. Click on it.
From the orange boxes, click on "Tumblr".
The following records will be added:
When you click on the "Activate template" button, the records will be added to your zone and the template will be activated. You can edit those records afterwards.