Try this
Code:
ServerActors=IpServer.UdpServerUplink MasterServerAddress=utmaster.epicgames.com MasterServerPort=27900
ServerActors=IpServer.UdpServerUplink MasterServerAddress=master.noccer.de MasterServerPort=27900
ServerActors=IpServer.UdpServerUplink MasterServerAddress=master.333networks.com MasterServerPort=27900