Try adding some existing nodes in the magnet.conf file. These are the addnode lines from mine;
addnode=35.195.167.40:17177
addnode=35.199.188.194:17177
addnode=104.196.155.39:17177
addnode=35.197.228.109:17177
addnode=35.198.35.45:17177
addnode=35.197.145.93:17177
addnode=35.199.1.114:17177
addnode=35.201.4.254:17177
addnode=35.188.240.39:17177
addnode=35.199.48.8:17177
addnode=146.148.79.31:17177
addnode=104.196.202.240:17177
addnode=35.195.122.245:17177
addnode=35.198.82.29:17177
addnode=35.200.247.198:17177
addnode=35.200.22.69:17177
addnode=35.201.14.20:17177
addnode=35.198.23.18:17177
addnode=104.199.194.138:17177
addnode=35.185.189.143:17177