Master Server Group Administration

A master server group allows you to group and manage master name servers from a single location instead of from each secondary zone group or secondary zone.

Key information:

• The name assigned to a master server group or a master name server is simply a label to allow easy identification of that group or name server.
• A master name server can belong to multiple master server groups. If you have previously created a master name server in another master server group, you may simply select it when defining the membership of a new master server group.
• TSIG administration can be performed when adding or modifying a secondary zone group. Changes to a TSIG key are immediately reflected across all secondary zone groups. This allows you to make bulk changes to TSIG keys that affect many secondary zone groups and associated secondary zones.
• Once a master server group has been associated with a secondary zone group, its name servers will be queried every 120 seconds for each zone identified in that secondary zone group. For this reason, we recommend that a master server group should only consist of name servers that are authoritative for the same set of zones. Likewise, a secondary zone group should be limited to those zones.

To create a master server group

1. Navigate to the Route (DNS) page.
2. Click Add New. The Add New dialog box will appear.
3. From the Type option, select "Master Server Group."
4. In the Name option, type the name of the master server group.
5. Click Add.
6. Perform the following steps to add a master name server:
   1. Click Add Master. The Add New Master Server dialog box will appear.
   2. In the Name option, type the name through which the master name server will be identified.
   3. In the IP Address option, type the IPv4 or IPv6 address corresponding to the desired master name server.
   4. Click Add.
7. Click Submit Group to save your changes.

To modify a master server group

1. Navigate to the Route (DNS) page.
2. Click on the master server group that you would like to modify.

3. Perform the following steps to add a master name server:

   1. Click Add Master. The Add New Master Server dialog box will appear.
   2. In the Name option, type the name through which the master name server will be identified.
   3. In the IP Address option, type the IPv4 or IPv6 address corresponding to the desired master name server.
   4. Click Add.

4. Perform the following steps to modify a master name server:

   1. Click "Edit" next to the desired master name server.
   2. Review and/or modify the name and IP address associated with that master name server.
   3. Click Done.

5. Perform the following steps to delete a master name server:

   1. Click "Edit" next to the desired master name server.
   2. Click .
6. Click Submit Group to save your changes.

To delete a master server group

1. Navigate to the Route (DNS) page.
2. Hover the cursor over the desired master server group.
3. Click the delete icon () that appears next to it.
4. When prompted, confirm the deletion of that master server group.

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