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DNS Resolver Instructions

Windows Environment

 Changing the Win 2000-2003 DNS server from default root server to forwarding: 

  1. Open the DNS snap-in 
  2. In the console tree, click the applicable Domain Name Service (DNS) server Location * DNS/Applicable DNS server 
  3. On the Action menu, click on Properties 
  4. On the Forwarders tab, click on Edit 
  5. Type the IP address for the fully qualified domain name (FQDN) of a forwarder, and then click on OK 

Or 

For Windows 2008: 

  1. Open DNS Manager 
  2.  In the console tree, click the applicable DNS server Location * DNS/Applicable DNS server 
  3. On the Action menu, click on Properties 
  4. On the Forwarders tab, under DNS domain, click on a domain name 
  5. Under Selected domain’s forwarder IP address list, type the IP address of a forwarder, and then click on Add

Linux/Unix

Use the System Configuration programs.  The settings are generally under Network setup.  In all settings, there are up to three (3) Name Servers where the IP addresses of the resolvers are placed.  There may be a Domain field in which the domain of the host is placed (i.e., hostname.example.com).  Generally, there is a Search field in which a white space where a separate list of domain suffices are placed.  The resolver will add each domain suffix on host name queries. 

The alternate method is to log into the server as the super user (i.e., root) and use a text editor to edit the file/etc/resolv.conf.  The above mentioned fields specify one per line in the file.  Order only matters for the Name Server field. 

name server 1.2.3.4  (up to 3 address entries) 
domain example.com 
search example.com k12.state.ar.us 

Note:  Linux/Unix distributions using the mainline BIND software (DNS server) will only use up to three (3) name server entries. More entries may be specified on the /etc/resolv.conf  file, but only the first three (3) name server entries are significant.

For state resolver IP address information (Windows and Linux/Unix), please see IP addresses under Frequently Asked Questions.

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