Open a command window and type

ipconfig /all

to display the details. You can modify the DNS configuration by following these steps:

1. Right-click My Network Places, and then click Properties.

2. Right-click Local Area Connection, and then click Properties.

3. Click Internet Protocol (TCP/IP), and then click Properties.

4. Click Advanced, and then click the DNS tab. Configure the DNS information as follows: Configure the DNS server addresses to point to the DNS server. This should be the computer's own IP address if it is the first server or if no dedicated DNS server will be configured.

5. If the resolution of unqualified names setting is set to Append these DNS suffixes (in order), the Active Directory DNS domain name should be listed first (at the top of the list).

6. Verify that the DNS Suffix for this connection setting is the same as the Active Directory domain name.

7. Verify that the Register this connection's addresses in DNS check box is selected.

8. At a command prompt, type

ipconfig /flushdns

to purge the DNS resolver cache, and then type

ipconfig /registerdns

to register the DNS resource records.

9. Start the DNS Management console. There should be a host record (an "A" record in Advanced view) for the computer name. There should also be a Start of Authority (SOA in Advanced view) record pointing to the domain controller (DC) as well as a Name Server record (NS in Advanced view).