09-15-2009, 08:06 PM
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KB18473 - How to view DNS Host (A) and Pointer Resource Records (PTR) on MS DNS Srv
KB18473 - How to view DNS Host (A) and Pointer Resource Records (PTR) on Microsoft DNS Server
Environment
- BlackBerry® Enterprise Server version 5.0
- Windows® Server 2003
- Windows Server 2008
Overview
Several components of BlackBerry Enterprise Server version 5.0 rely on a Domain Name System (DNS) server that must be configured correctly. There are some key DNS Resource Records that are used heavily. These records are Host (A) records and Pointer (PTR) records.
A DNS Host Resource Record is an entry on a DNS server which contains the name of a computer on the private or public network and references it to an IP address on the local intranet, or across the Internet. Host entries are often referred to as “A” records.
A DNS Pointer Resource Record is an entry on a DNS server which contains the IP address on the private or public network resource, and references this entry to a name of a resource on the private or public network. Pointer entries are referred to as “PTR” records.
How to view a DNS Host (A) Resource Record
- To open DNS Management Snap-In on the Microsoft® DNS Server, click Start Menu > Administrative Tools > DNS.
- In the console tree, expand the applicable Forward Lookup Zone.
- Right-click on the applicable Host (A) resource record, and select Properties.
- In the IP address section, verify that the IP Address is correct.
- Repeat the above steps if there are multiple Host (A) resource records for the computer or resource in question.
How to view a DNS Pointer (PTR) Resource Record
- To open the DNS Management Snap-In on the Microsoft DNS Server, click Start Menu > Administrative Tools > DNS.
- In the console tree, expand the applicable Reverse Lookup Zone.
- Right-click on the applicable Pointer (PTR) resource record, and select Properties.
- In the Host IP number section, verify the host IP Address octet number is correct for the applicable computer.
Note: The computer name is listed in the Host Name field. The Host Name can appear as a single-word value such as “COMPUTERNAME”, or as a Fully Qualified Domain Name value such as “COMPUTERNAME.DOMAIN.LOCAL", for example.
Additional Information
Refer to Microsoft Help and Support for additional information on configuring DNS Host (A) and Pointer (PTR) Resource Records.
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