ipconfig /flushdns
nbtstat -R
nbtstat -RR
netsh int reset all
netsh int ipv4 reset
netsh int ipv6 reset
netsh winsock reset
Credits:
http://www.hanselman.com/blog/TheNuclearOptionResettingTheCrapOutOfYourNetworkAdaptersInVista.aspx
https://support.microsoft.com/en-us/kb/299357