Try this
Wireless Network Connection if wireless --- click Properties -- click to highlight Internet Protocol Version 4 --- click Properties button -- click Use the following DNS server addresses and in the boxes type 77.67.54.32 as Preferred and 77.67.54.27 as Alternate -- click OK, Close and close network connections -- reboot your computer and try it.
If it does not work go back and revert to as was
Those are the OpenDns servers for Berlin
They are trustworthy Open Dns is used all over the world
http://www.opendns.com/data-center-locations/
Wireless Network Connection if wireless --- click Properties -- click to highlight Internet Protocol Version 4 --- click Properties button -- click Use the following DNS server addresses and in the boxes type 77.67.54.32 as Preferred and 77.67.54.27 as Alternate -- click OK, Close and close network connections -- reboot your computer and try it.
If it does not work go back and revert to as was
Those are the OpenDns servers for Berlin
They are trustworthy Open Dns is used all over the world
http://www.opendns.com/data-center-locations/