Search for Server's IP Address in Domain?

First off I would like to apologize if this question has already been answered; if it has can someone please link me to the answer.

So I am trying to find the IP Address of the server in a Domain. Is there any way I can narrow my results to just show servers; I have no idea what type of server the Domain uses (other than its a Windows server). Once I find at least the IP address then I will be able to do further reconnaissance with this information. But there are hundreds of connections through the Domain's Internet, and I just need a way to narrow the nmap or whatever other tool's results that I can use to find the Server's information only.