The names are free for you to use at any time so long as no one else is using them. or has registered them or have legal rights such as copyright and Incorporation rights to them. The problem lies in that you must register the name. In order to register the name you must prove who you are because of the legal regulations attached to the WWW.
By the way. Most internet service providers provide a small section of your broadband for the use of a web page. All the info should be supplied by your ISP. Contact them!