frankpilone.name is my primary domain. All of my sub-domains (such as this one) is served by frankpilone.name. This is done in the event that I would have to reduce the number of domains I own, I can consolidate to just a few domains with frankpilone.name being one of them. With all of my sub-domains under frankpilone.name, I could delete all of my other frankpilone addresses, and have little effect against me. Obviously, I would have to move my auto-responders to frankpilone.name, but I am considering on doing that anyways.
On another note, the email addresses for frankpilone.name are used for auto-replies. While it might seem to make more sense to use frankpilone.info, if I had to close that domain, my auto-replies will still work.