Your company has a single active directory domain. All servers run windows server 2008. You install an additional DNS server that runs windows server 2008. You need to delete the pointer record for the IP address 10.3.2.127. what should you do?（）

• A、Use DNS manager to delete the 127.in-addr.arpa zone.
• B、Run the dnscmd /recordelte 10.3.2.127 command at the command prompty.
• C、Run the dnscmd /zonedelete 127.in-addr.apa command at the command prompt.
• D、Run the dnscmd /recorddelete 10.in-addr.arpa 172.2.3 PRT command at the command prompt.