An arbitrator ordered that the website rackspace.xyz - registered in July by Aussie Russell Harrower for the purpose, he said, of creating a directory of billiard halls - be turned over to a subsidiary of San Antonio-based Rackspace Hosting Inc. An arbitrator this week ordered that the website rackspace.xyz, registered by an Australian man, be turned over to Rackspace Hosting Inc., the San Antonio Web-hosting and cloud-computing company. Rackspace had filed a complaint against Russell Harrower , 26, with the National Aribtration Forum , claiming the domain name was identical and confusingly similar to its trademarked name.