You have a server that runs Windows Server 2003 Service Pack 2 （SP2）. You install the Windows Support Tools on the server.You need to list all of the name servers in a DNS zone named contoso.com. Which two possible commands should you run？（）

• A、Dnslint /d contoso.com
• B、Netdiag /d：Contoso.com /test：DNS
• C、Net view /domain：contoso.com
• D、Nslookup –querytype=ns contoso.com