Creating Amazon Route 53 health checks and configuring DNS failover

Amazon Route 53 health checks monitor the health and performance of your web applications, web servers, and other resources. Each health check that you create can monitor one of the following:

The health of a specified resource, such as a web server

The status of other health checks

The status of an Amazon CloudWatch alarm

For an overview of the three types of health checks, see Types of Amazon Route 53 health checks. For information about creating health checks, see Creating and updating health checks.

After you create a health check, you can get the status of the health check, get notifications when the status changes, and configure DNS failover: