Domain Names must:
昲ave minimum of 3 and a maximum of 63 characters;
昩egin with a letter or a number and end with a letter or a number;
晆se the English character set and may contain letters (i.e., a-z, A-Z),numbers (i.e. 0-9) and dashes (-) or a combination of these;
昻either begin with, nor end with a dash;
昻ot contain a dash in the third and fourth positions (e.g. www.ab- -cd.top); and
昻ot include a space (e.g. www.ab cd.top).