I'd be concerned about running an online casino with a .com domain. The US government has a track record of seizing domains.
http://www.wired.com/threatlevel/2012/03/feds-seize-foreign-...
http://www.wired.com/threatlevel/2012/03/feds-seize-foreign-...
My apologies if I've mischaracterized you, but a casino is "a public room or building where gambling games are played." bitino seems to clearly be an online variant of that.
(Edit: can't grammar)