Here is the way how to find the DNS servers of a domain name.

Note:- Don't type the quotes (") in the following steps.

1. Start => Run=> Type "cmd" or "command" => press Enter (to open command prompt)

2. Type "nslookup" => enter

3.  Type "set type=ns" => enter

4. Now type the domain name with extension (like google.com) press enter it will show the DNS servers.

5. You can type as many as domains one by one.

6. Type "exit" to out from nslookup

You can use  any of A, ANY, CNAME, MX, PTR, SOA, SRV instead of NS to get the corresponding details

After typing nslookup type help to get help on options of this command.