A Route53 health check is used to monitor the health of web applications, CloudWatch alarms, or even other health checks. Health checks are necessary for configuring DNS failover in Route53.
<img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1713601400768/0688b711-761e-49a2-9b1e-243c82634450.png" alt class="image--center mx-auto" />
<h3 id="heading-trigger-actions">Trigger actions</h3>
Architecture:
<pre><code class="lang-plaintext">Route 53 -&gt; CloudWatch -&gt; SNS -&gt; Lambda
</code></pre>
Reference:
<a target="_blank" href="https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/health-checks-monitor-view-status.html">https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/health-checks-monitor-view-status.html</a>

A Route53 health check is used to monitor the health of web applications, CloudWatch alarms, or even other health checks. Health checks are necessary for configuring DNS failover in Route53.

![](https://cdn.hashnode.com/res/hashnode/image/upload/v1713601400768/0688b711-761e-49a2-9b1e-243c82634450.png align="center")

### Trigger actions

Architecture:

```plaintext
Route 53 -> CloudWatch -> SNS -> Lambda
```

Reference:

[https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/health-checks-monitor-view-status.html](https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/health-checks-monitor-view-status.html)

Route 53 health check trigger action

Trigger actions