Suggest best hosting server for multiplayer Game???

Which one is best hosting server for multiplayer game.. i currently working on multiplayer game! i try unity Master server not satisfied, then i try Photon Unity Network(PUN) but issue in Master Server hosting mean dedicated server issue, then i try SmartfoxServer2X, mean issue is i couldn't add extensions on hosting server. i do job of adding extension in local server of SmartFox, but there is no guideline to add extension at online hosting Master Server.

there is Node.js server for multiplayer Game, is that suitable?