I created a IncaKoin.conf file, in the same folder as the .exe with the following :

addnode=176.212.245.226
addnode=79.98.220.209
addnode=109.195.131.81
addnode=172.245.208.121
addnode=173.212.233.242

The build date is  : Sep 12 2017, 01:38:50

Still not working ...