nslookup lserver
Changes the initial server to the specified Domain Name System (DNS) domain. Windows commands reference
On Windows
Windows
Changes the initial server to the specified Domain Name System (DNS) domain. This command uses the initial server to look up the information about the specified DSN domain. If you want to lookup information using the current default server, use the nslookup server command.
lserver <DNSdomain>
<DNSdomain>Specifies the DNS domain for the initial server./?Displays help at the command prompt./helpDisplays help at the command prompt.