maybe you're not open tcp port, give me node list - try to hook up vps
addnode=104.131.111.163:6224
addnode=104.236.113.178:6224
addnode=37.59.24.15:6224
addnode=5.135.190.96:6224
addnode=192.99.21.103:6224
addnode=144.76.238.2:6224
addnode=23.92.53.139:6224
addnode=78.8.237.23:6224
addnode=77.22.162.43:6224
addnode=74.111.225.128:6224
addnode=85.139.107.129:6224
addnode=81.243.116.139:6224
addnode=167.114.77.213:6224
addnode=188.226.188.168:6224
addnode=94.211.100.146
addnode=84.251.16.173
addnode=87.204.149.94
addnode=78.46.92.72
addnode=151.80.42.180