Log in to the Customer Control Panel.
Within the Domains group, click on Hosted Domains.
Click the Domain Name.
Within the DNS tab, click DNS Records.
A list of DNS records is now presented. To delete or modify a DNS record, click on the corresponding item in the list.
Note: You cannot delete a system created record. You have to deactivate those.
To add a new DNS record click the Add New DNS Record button.
To disable a DNS record click the hostname