.orgUnrestricted top-level domain, mainly used by nonprofit organizations.
Must have at least 3 characters & less than 63, not including the suffix. Some web browsers, email programs & internet applications don't support more than 26 characters. Permitted characters = letters, numbers or a hyphen ("-"), domains can't begin or end with a hyphen or have two hyphens in a row. No spaces are allowed, domains are not case sensitive.