What is an admissible domain name?
• All Registration Requests will be subject to the following rules regarding admissible Domain Names: * Acceptable Characters = No characters other than a combination of the following characters may be included in a Domain Name Registration: (a) Letters a through z (no accents of any kind will be accepted). Note that Domain Names are not case sensitive. This means there will be no distinction made between upper case letters and lower case letters (A = a); (b) The numbers 0, 1, 2, 3, 4, 5, 6, 7, 8 and/or 9; and (c) The hyphen character (although it cannot be used to start or end a Domain Name). Length. Domain names must be not less than two (2) and not greater than fifty (50) characters long. Source: www.cira.