All supported domains offer "free" DNS Zone Management.
Log into your account and click on the DNS Management option from the drop down list:
You will need to create a zone; ex: use your domain name for Zone Name, leave IP Address blank (do not change it)
In order for the zone management to work, you domain name servers must be set to our platform name servers: (changing to our name servers will take several hours or more to take effect)
If you need to know what your name servers are or to check them externally at any time: