Astrill Setup Manual:How to configure DNS on network adapter on Windows 7
STEP 1
Open Control Panel and click Network and Internet.
STEP 2
Click Network and Sharing Center.
STEP 3
Click Change Adapter Settings.
STEP 4
Right click on Local Area Connection.
STEP 5
Click Properties.
[File:Win7-dns5.jpg|border]]
STEP 6
Select Internet Protocol Version 4 (TCP / IPv4) and click Properties.
STEP 7
Tick Use the following DNS server address. Type in 8.8.8.8 and 8.8.4.4 just like on the screen below.
Click OK.
STEP 8
1. Right-click on same network adapter
2. select Status
STEP 9
1. Click details
STEP 10
Under network connection details, you will see 8.8.8.8, and 8.8.4.4 as DNS servers. This is a confirmation that DNS has been set.
1. Click on Close button, then click on Close button again.
STEP 11
Click Windows Start Button
1. type in the search box "cmd"
2. click the cmd button
STEP 12
In command prompt, type in nslookup google.com and press enter key, you will see 8.8.8.8 DNS server is used to resolve website google.com. This is a confirmation that DNS has been set and is working.
STEP 13
To clear DNS cache on Windows XP, type in ipconfig /flushdns and press enter key.