if you entered **signup.yoursite.com as your address, enter signup**
For Host type select DNS alias CNAME.
Congratulations! Your CNAME record is now configured to point to LaunchRock.
If you have trouble configuring your CNAME records, you can check out the No-IP tutorial page. Or, view a sample message to use when you contact No-IP for assistance.
Once you've modified your A records, it may take up to 72 hours for changes to update live.