Female domination, commonly called femdom, is an adult theme. This attraction is not uncommon. many websites, for example Femdom by Bossy Girls are devoted to this theme. Many sites of that kind have slid into gross eroticism ad are purely commercial..
The nature of the femdom appeal can be genetic, the same way that some people are predisposed to be gay, or psychological. If psychological, then it is as complex as human nature. Here are some probable cause:
Good feelings dated back to childhood, when a powerful female, mom or sisters both dominated and gave pleasure.
Low self esteem of various kinds
Pleasure to be together with girls that are seen as superior and therefore unreachable
Spiritual desire to worship somebody greater than you