Specify Other DNS Servers as Authoritative for a Zone

Updated: May 9, 2008

Applies To: Windows Server 2008

You can use this procedure to add secondary servers for your existing zones to the name server (NS) resource record to make the servers authoritative for the zone. Typically, it may be necessary to perform this procedure at the primary server only when you add Domain Name System (DNS) servers to act as secondary servers. You can also perform this procedure to specify that these servers are known to be authoritative when they answer queries for zone data. For Active Directory–integrated zones, DNS servers automatically add and perform initial configuration of the name server (NS) resource record for each new primary zone that is added to the server.

You can complete this procedure by using either the DNS Manager snap-in or the dnscmd command-line tool.

Membership in Administrators, or equivalent, is the minimum required to complete this procedure. Review details about using the appropriate accounts and group memberships at Local and Domain Default Groups (http://go.microsoft.com/fwlink/?LinkId=83477).

  1. Open DNS Manager. To open DNS Manager, click Start, point to Administrative Tools, and then click DNS.

  2. In the console tree, right-click the applicable zone, and then click Properties.

  3. Click the Name Servers tab.

  4. Click Add.

  5. Specify additional DNS servers by their names and IP addresses, and then click Add to add them to the list.

  1. Open a command prompt. To open an elevated Command Prompt window, click Start, point to All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.

  2. At the command prompt, type the following command, and then press ENTER:

    dnscmd <ServerName> /RecordAdd <ZoneName> <NodeName> [/Aging] [/OpenAcl] [<Ttl>] NS {<HostName>|<DomainName>} 
    

 

Parameter Description

dnscmd

The command-line tool for managing DNS servers.

<ServerName>

Required. Specifies the DNS host name of the DNS server. You can also type the IP address of the DNS server. To specify the DNS server on the local computer, you can also type a period (.)

/RecordAdd

Required. Adds a resource record.

<ZoneName>

Required. Specifies the fully qualified domain name (FQDN) of the zone.

<NodeName>

Required. Specifies the FQDN of the node in the DNS namespace for which the start of authority (SOA) resource record is added. You can also type the node name relative to ZoneName or @, which specifies the zone's root node.

/Aging

If you use this parameter, this resource record can be aged and scavenged. If you do not use this parameter, the resource record remains in the DNS database unless it is manually updated or removed.

/OpenAcl

Specifies that new records are open to modification by any user. Without this parameter, only administrators may modify the new record.

<Ttl>

Specifies the Time-To-Live (TTL) setting for the resource record. (The default TTL is defined in the start of authority (SOA) resource record).

NS

Required. Specifies that you are adding a name server (NS) resource record to the zone that is specified in ZoneName.

<HostName>|<DomainName>

Required. Specifies the host name or FQDN of the new authoritative server.

To view the complete syntax for this command, at a command prompt, type the following command, and then press ENTER:

dnscmd /RecordAdd /help 

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