A shared record group is a set of resource records that you can add to multiple zones. You can create resource records in a group and share the group among multiple zones. The zones handle the shared resource records as any other resource record. You can include the following types of DNS resource records in a shared record group: A, SRV, MX, AAAA, CNAME, and TXT.
Using shared record groups simplifies and expedites the administration of resource records. When you create or update a shared record, the appliance automatically updates it in all associated zones. In addition, shared resource records reduce the object count in the NIOS database; instead of the creating the same record in multiple zones, you can use only one shared record. For example, for 10 zones and 500 records per zone, the object count decreases from 5278 objects to 781 objects.
Figure 20.7 shows an example of how to create and use shared records.
In this example, there are two shared record groups. One group—group1— contains the A records ftp and printer1 and the MX record mx1, and the other group—group2—contains the A record web and the MX record mx2. The resource records in group1 are shared with the internal view zones sales.corpxyz.com and finance.corpxyz.com and the external view zone sales.corpxyz.com. The resource records in group2 are shared with the internal view zone marketing.corpxyz.com and the external view zones sales.corpxyz.com and marketing.corpxyz.com.
Figure 20.7 Creating Shared Records| Drawio |
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| Shared Records Guidelines |
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| Shared Records Guidelines |
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Shared Records Guidelines The following are guidelines for using shared records:
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- List the shared resource records and associated zones in a shared record group.
- Click a shared record group name.
- Use filters and the Go to function to narrow down the list. With the autocomplete feature, you can just enter the first few characters of an object name in the Go to field and select the object from the possible matches.
- Create a quick filter to save frequently used filter criteria. For information, see Using Quick Filters.
- Modify some of the data in the table. Double click a row of data, and either edit the data in the field or select an item from a drop-down list. Note that some fields are read-only. For more information about this feature, see Modifying Data in Tables .
- Edit the properties of a shared record group.
- Click the check box beside a shared record group, and then click the Edit icon.
- Delete a shared record group.
- Click the check box beside a shared record group, and then click the Delete icon. Note that you must remove the zone associations in a shared record group before you delete it.
- Export the list of shared record groups to a .csv file.
- Print the list of shared record groups.
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