Of the above addresses, as of May 2010 only three , i.net , x.com andx.org actually host a web site directly in the single-letter domain in question. Two others redirect to sites in different domains, and one, q.net, does not appear to be active.

Domain 1993 Owner Current Owner
i.net INet Solutions Ltd Future Media Architects
q.com JG Qwest
q.net Privately owned Privately owned
x.com Weinstein & DePaolis PayPal
x.org The Open Group The Open Group
z.com HomePage.com Nissan Motors