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Managing SRV Records

Number of views : 32
Article Number : KB0011364
Published on : 2019-01-17
Last modified : 2019-01-17 17:33:08
Knowledge Base : IT Public Self Help

An SRV (service location) record directs queries to hosts that provide specific services. For example, if you have an FTP server, then you might create an SRV record that specifies the host which provides the service. You can specify more than one SRV record for a host.

Add SRV Records - Quick Start

  1. After logging in to the Grid Manager, navigate to the DNS zone in which you will create an SRV record.
  2. To add a SRV record:
    • Click the down arrow to the right of the Plus  button to the left of the central pane.
    • Select Record and then SRV Record
    • The Add SRV Record > Step 1 of 3 window will appear. NOTE: Notice that the zone “Infoblox1.utexas.edu” is already next to the Domain section. This is because we drilled down into the DNS zone rather than adding this entry from some other location within the DNS tab.
      1. Click on the Free Format radio button.

        NOTE: The RFC 2782 format selection provides several well know SRV record typs such as “ftp” and “ldap” but in this example we will be setting up a SRV record for KMS. KMS will be one of the most common SRV records configured at UT.

      2. In the Domain box, key in “vlmcs.tcp” and then click anywhere in the Add SRV Record > Step 1 of 3 window. When you do, “vlmcs.tcp.infobloxtest1.utexas.edu” should appear next to Preview.
      3. In the Port box, the drop down menu does not provide the port number we need. Instead of using the drop down menu, click in the box and enter “1688” which is the port for KMS.
      4. In the Target box, enter the target server. In our example this is “kms.utexas.edu” which is the UT KMS server.
      5. Enter comment (optional).
      6. Click Next

Modify And Delete SRV Records

Do the following to modify an SRV Record:

  • In the General tab, the Display input as field displays the format in which the SRV record was configured. For RFC 2782 format, the appliance matches the service.protocol.name format and displays the corresponding information in the Service and Protocol fields. If the appliance cannot match the service and protocol, it displays the entire name in the Domain field. For Free format, the entire name is displayed in the Domain field. For more information about the other fields, see Adding SRV Records on page 834 of the Infoblox NIOS Administrator Guide.

Note: The appliance does not match the service and protocol names to exactly how they appear in the drop-down lists. It only checks whether the first two parts of the names start with an underscore. If the first two parts do not start with an underscore, the appliance assumes it is a free format. For example, abc.xyz.name is considered as RFC 2782 format even though _abc is not in the Service drop-down list, and _xyz is not in the Protocoldrop-down list. Grid Manger displays _abc in the Service field and _xyz in the Protocol field. On the other hand, “abc.xyz.name” is considered as a free format because the first two parts do not start with underscores, and Grid Manager displays this in its entirety in the Domain field.

You can also enter or edit information in the TTL, Extensible Attributes and Permissions tabs. For information on modifying and deleting resource records, see Modifying, Disabling, and Deleting Host and Resource Records.

For instructions on how to access Infoblox Online documentation such as the Administrator Guide, review the following document: Accessing Infoblox Documentation.

 

 

 

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