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Online Tutoriale Remove DNS Zone

Posted by ascultradio on September 18, 2009

How to Remove the Root DNS Zone

A DNS server running Windows Server 2003 follows specific steps in its name-resolution process. A DNS server first queries its cache, it checks its zone records, it sends requests to forwarders, and then it tries resolution by using root servers.

By default, a Microsoft DNS server connects to the Internet to process DNS requests more with root hints. When you use the Dcpromo tool to promote a server to a domain controller, the domain controller requires DNS. If you install DNS during the promotion process, a root zone is created. This root zone indicates to your DNS server that it is a root Internet server. Therefore, your DNS server does not use forwarders or root hints in the name-resolution process.

1. Click Start, point to Administrative Tools, and then click DNS.
2. Expand ServerName, where ServerName is the name of the server, click Properties and then expand Forward Lookup Zones.
3. Right-click the “.” zone, and then click Delete.

How to Configure Forwarders

Windows Server 2003 can take advantage of DNS forwarders. This feature forwards DNS requests to external servers. If a DNS server cannot find a resource record in its zones, it can send the request to another DNS server for additional attempts at resolution. A common scenario might be to configure forwarders to your ISP’s DNS servers.

1. Click Start, point to Administrative Tools, and then click DNS.
2. Right-click ServerName, where ServerName is the name of the server, and then click the Forwarders tab.
3. Click a DNS domain in the DNS domain list. Or, click New, type the name of the DNS domain for which you want to forward queries in the DNS domain box, and then click OK.
4. In the Selected domain’s forwarder IP address box, type the IP address of the first DNS server to which you want to forward, and then click Add.
5. Repeat step 4 to add the DNS servers to which you want to forward.
6. Click OK.
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