DNS synthetic monitor checks the availability and response time of the Domain Name Servers.

Create DNS synthetic monitor

After selecting the synthetic monitor type, to configure the DNS synthetic monitor:

  1. From the Add Synthetic window, provide details for the following parameters and click Save.
    • Name: Name of the synthetic monitor.
      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: URL of your host.
    • Locations: Locations from where you want to monitor the URL.
      The screen displays a confirmation message about the successful addition of the synthetic monitor.
  2. Click OK.
    The Synthetics page displays the configured synthetic monitor.

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 in 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 TypesUnitsRecommended MetricsDescription
DNS-availability.down.location.countLocation Count: The number of locations where the configured host is down
DNSMillisecondssynthetic.response.timeResponse time: Time from the start until the DNS name was resolved

Graphical representation for metrics

Graphical Representation

Graphical Representation

Next steps

See Managing Synthetic Monitors.