Nouns ending in -tion are feminine.
The suffix forms abstract nouns of action or state.
Is domination masculine or feminine?
ladomination
The rule behind it
99.8% of -tion nouns are feminine
In context
La domination allemande ne dura pas très longtemps.
The German domination didn't last very long.
Deux entreprises s'affrontent pour la domination du marché.
Two firms compete with each other for market leadership.
Je pense qu'elle est fan de bondage et de domination.
I guess she's into bondage and domination.