voting

I have a brother, who plays Minecraft in my house. I am pretty sure we don't have the same IP. When I do vote, he can't and vice-versa, and the voting website says "You already voted today" Also, in another server's description, next to its image it said "Welcome [My username] instead of his...

So its either a normal game or a hardcoore / OP mode depending on if theres a RANKED PLAYER OR NOT.So if its all up to a doner of the rank gold or up then its mosly a different gamy-type so if there isn't its ALL WAYS normal. what if its random unless a person votes? I recently made a thread...