This article applies to 123-parking.
When setting up your Domain Profiles you will be asked if you wish to forward your names using 'Web Forwarding' or 'DNS Forwarding'. Please select DNS as it’s easier to manage, particularly with large amounts of domains.
Once you have selected DNS Forwarding you will need to login to your 123-reg control panel.
In the Domain names section, select the relevant domain name in the drop-down list and click on the Manage button.
Select the Change Nameservers link.
Enter the following nameserver records into the Nameserver 1 and Nameserver 2 boxes:
Click on the Change Nameservers button.
Please allow 24 hours for these changes to propagate.