5.11 DNSRecursiveQuery

Use this Knowledge Script to monitor Domain Name Service (DNS) server recursive query activity. This script checks the number of recursive query errors or timeouts per second, and raises an event if the number of recursive query error or timeouts per second exceeds the rate threshold you set.

5.11.1 Resource Object

DNS folder

5.11.2 Default Schedule

The default interval for this script is Every 10 minutes.

5.11.3 Setting Parameter Values

Set the following parameters as needed:

Parameter

How to Set It

Event?

Set to y to raise an event if the number of recursive query errors or timeouts exceeds the threshold. The default is y.

Collect data?

Set to y to collect data for charts and reports. If enabled, data collection returns the number of recursive queries, failures, and timeouts per second. The default is n.

Recursive query errors/timeouts

Specify the maximum number of recursive query errors or timeouts per second that can occur before an event is raised. The default is 2.

Event severity

Set the event severity level, from 1 to 40, to indicate the importance of an event in which the number of recursive query errors or timeouts exceeds the threshold. The default is 8 (red event indicator).