Holy Kenobi that was a fast reply! TR Deathstar is showing up now, thanks for your help!
P.S This link fixed it Configuring a router for multiple clients - Multiplayer Connection Issues (PC) - Knowledge Base - Steam Support
Specifying a Clientport as a Launch Option
Every other server is shown but deathstar is nowhere to be found, but if i go on my brother's PC/Account; TR Deathstar is there up and running, Is this a network issue on my end? because im totally lost.