Please do the following to manage your domain's nameservers at Rackspace:
1. Log into the control panel at Rackspace.
2. Mouse over the 'Go' to section drop-down menu and select 'Domains'.
3. In the 'Manage' section, click the 'DNS Settings' link.
4. Click the 'DNS Settings' link (you will have to select the domain).
5. Click the Domain Nameservers link.
6. Click 'Use my own name server information.'
7. Enter the custom name servers generated for you by Ezoic (these can be found under 'Settings' > 'Site Integration' > 'Name Servers' > 'View Instructions' in your Ezoic Dashboard).
8. Press Save.