Introduction
DNS synthetic monitor checks the availability and response time of the Domain Name Servers.
Creating DNS synthetic monitor
After selecting the synthetic monitor type, to configure the DNS synthetic monitor:
- From the Add Synthetic window, provide details for the following parameters and click Save.
- Name: Refers to the name of the synthetic monitor.
Note: The value entered in the Name field must be unique. If the name is not unique, the screen displays an error message: Name Already Exists. - Host: Refers to the URL of your host.
- Locations: Refers to the desired locations from where you want to monitor the URL.
The screen displays a confirmation message about the successful addition of the synthetic monitor.
- Name: Refers to the name of the synthetic monitor.
- Click OK.
The Synthetics page displays the configured synthetic monitor.
Warning
The Synthetics page under Infrastructure displays the availability status of the monitor as a red flag if the configured host does not resolve DNS Query within the configured Connection Timed Out value.To manage a configured synthetic monitor:
- Edit – To modify the existing details of the configured synthetic monitors.
- Delete – To remove the configured synthetic monitors.
- Scheduled Maintenance – To move any configured synthetic monitor to Scheduled Maintenance.
After configuring, view metrics, and graphical representations for more information.
Metrics for DNS monitor types
| Monitor Types | Units | Recommended Metrics | Description |
|---|---|---|---|
| DNS | - | availability.down.location.count | Location Count: The number of locations where the configured host is down |
| DNS | Milliseconds | synthetic.response.time | Response time: Time from the start until the DNS name was resolved |
Graphical representation for metrics
