How to add extra IPs and Nameservers on windows Servers?

Open the Control Panel (via the Start menu or My Computer) and open up the Network and Dial-Up Connections Control Panel,

Double-click the Local Area Connection icon,

Then click the Local Area Connection Status Window's Properties button. Next select the Internet Protocol (TCP/IP) and then click the Properties button. The Microsoft TCP/IP Properties dialog will appear.

Now click on Advanced.

1. Under IP Settings, click on Add, to add your extra IPs.

For Subnet Mask enter the default subnet mask for your network. For most subnets at IUB, the default subnet mask is 255.255.255.0

For Default Gateway enter the address of your subnet's router. On most subnets at IUB, the router's host IP address is 1. For example, if your workstation's address is 129.79.11.150, your Default Gateway address is most likely 129.79.11.1.

2. For Preferred/Secondary DNS, you can use any of the below IPs

208.76.152.1
208.76.152.9
4.2.2.1
4.2.2.2
63.216.0.5
63.216.0.6

Also Read