The server will be updated on the 13/04/16. With the update there will also be a world reset, everything purchased on the stores e.g. kits and ranks, will be given back to you when you next join and one of the staff are also on.
The server will also be moving to the server hub. The hub ip is minecraft.BuildRush.com, or you could connect directly to the server by using minecraft.BuildRush.com:25570