Phild
From Joomla! Documentation
Phil has been using Joomla since the very early versions. He is currently focusing on Joomla Security forum as moderator, documentation edits, help answering questions in the Joomla forums and managing the GitHub repository for the FPA and the Transifex language files for the FPA.
What is the difference between a Sub-Domain, Parked Domain and an Add-On Domain?