You can log into Domain Management by navigating to https://www.uwwweb.com/domains. If you're not logged in, you will have to do so. This page will redirect you to a listing of all your domain names. Click on the "DNS Management" button on the domain that you wish to make changes to. From that page, make any desired changes to any of the domain records listed. Please note that it may take up to 72 hours for the changes to propagate.