DNS Monitor

ZenPacks.zenoss.DnsMonitor

The ZenPacks.zenoss.DnsMonitor ZenPack monitors the response time of DNS requests.

This ZenPack uses the check_dns Nagios plugin to collect data, which in turn uses the nslookup command.

Open Source

This ZenPack is developed and supported by Zenoss Inc. Contact Zenoss to request more information regarding this or any other ZenPacks. Click here to view all available Zenoss Open Source ZenPacks.

Support

This ZenPack is part of Zenoss Core. Open Source users receive community support for this ZenPack via our online forums. Enterprise support for this ZenPack is provided to Zenoss customers with an active subscription.

Prerequisites

Prerequisite	Restriction
Product	Zenoss platform 4.2.x, 5.x
Required ZenPacks	ZenPacks.zenoss.DNSMonitor

Enable Monitoring

To enable monitoring by the system:

1. Select Infrastructure from the navigation bar.
2. Click the device name in the device list. The device overview page appears.
3. Expand Monitoring Templates in the left panel, and then select Device.
4. Select Bind Templates from the Action menu. The Bind Templates dialog appears.
5. Add the DNSMonitor template to the list of selected templates, and then click OK. The DNSMonitor template appears under Monitoring Templates.

6. Select the DNSMonitor template in the left panel, and change options as needed.

   DNSMonitor Data Source Options

   Option	Description
   DNS Server	Name server against which the nslookup command should be run. If empty (the default), the default DNS server or servers in /etc/resolve.conf are used.
   Port	Port on which the name server is listening. This is normally port 53.
   Host Name	Host name to resolve. The default is the device ID.
   Expected IP Address	IP address to which the host name is expected to resolve.

Daemons

Type	Name
Performance Collector	zencommand