(If you've already configured advanced DNS settings, click Edit next to Advanced DNS Settings.)
Click the Apply Changes button.
In the Alias box, enter the subdomain you set in LaunchRock.
If you picked signup.yoursite.com as your address, enter signup.
Select the radio button to the left of the Other Host box.
Click Save Changes.
Congratulations! Your CNAME record is now configured to point to LaunchRock.
If you have trouble configuring your CNAME records, you can check out the Network Solutions tutorial page. Or, view a sample message to use when you contact Network Solutions for assistance.
Once you've modified your A records, it may take up to 72 hours for changes to update live.