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 Web Service monitor:
- From the Add Web Service window, provide details for the following parameters and click Save.
- Name: Refers to the name of the Web Service monitor.
Note: The value entered in the Name field must be unique. If the name is not unique, the screen displays the 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 Web Service monitor.
- Click OK.
Web services page displays the configured synthetic monitor.
Add Web Service
Warning
The Web Services page under Infrastructure displays the availability status of the monitor as a red flag if the configured host does not resolve DNS Query within configured Connection Timed Out value.To manage a configured synthetic monitor:
- Edit – To modify the existing details of the configured Web Service monitors.
- Delete – To remove any configured Web Service monitor.
- Scheduled Maintenance – To move any configured Web Service monitor to Scheduled Maintenance.
After configuring, view Metrics and graphical representations for additional 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
