Bud se koukam blbe, ale nevidim kde se nastavuje to dns, ktere prirazuje dhcp.
Udelej tohle na tech Win7:
Network a internet->Network Connections->Local Area Connection->Properties->Internet Protocol version 4->Properties
Zmen Automaticke pridelovani dns a do dns napis tyhle: 8.8.8.8 a 8.8.4.4