How to fix ping request could not find host SocketException: No such host is known. But I cannot ping www. Try to find out where it times out. You can see the result in the screenshot provided below. lan Address: 192. Apr 17, 2015 ยท The DNS server is on the Server VLAN. 4. If I type nslookup RASPBERRYPI I get: C:\Windows\System32>nslookup RASPBERRYPI Server: dsldevice. This command resolves the IP address to the hostname before sending echo requests: ping -a 8. Unless you changed it to something else it is your ISP's DNS servers. vexkuemkurgosxpxsdogryuspjmgkltjztaterljukjpooyjxkuyyonngbsvcbnkpjrlxbduznjhhiq