Monitoring Windows DNS Servers
The eG Enterprise automatically discovers DNS servers running on Windows environments. For such servers, the eG Enterprise prescribes an exclusive Windows DNS monitoring model depicted by Figure 1 below:
Figure 1 : Layer model of the Windows DNS server
The additional Windows Service layer in reveals whether/not the critical DNS service is up and running on the Windows host. This layer and all the 4 layers below it have been discussed extensively in the Monitoring Windows and Unix Servers document. The section to come therefore talks only of the DNS Service layer.