> ## Documentation Index
> Fetch the complete documentation index at: https://tyk.io/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Configure Custom Domains in Tyk Cloud

> Learn how to set up custom domains for Tyk Cloud Control Planes and Cloud Data Planes.

## Introduction

You can set up Tyk Cloud to use a custom domain. Using custom domains is available on our free trial and all our paid [plans](https://tyk.io/price-comparison/). You can use a custom domain for both your **Control Planes** and **Cloud Data Planes**.

<Note>
  **note**

  Wild cards are not supported by Tyk Cloud in custom domain certificates
</Note>

## Custom Domains with Control Planes

* Currently, you can only use **one custom domain** per Control Plane deployment.
* The custom domain in this case ties to a **Tyk Developer Portal**. Please set up a **CNAME DNS** record such that it points to the "Portal" ingress as displayed on your Control Plane deployment page.

## Custom Domains with Cloud Data Planes

You can set multiple custom domains on a Cloud Data Plane. In this instance please set up your CNAME DNS records such that they point to the only ingress displayed on your Cloud Data Plane deployment page.

Note: While you can set multiple custom domains for a Cloud Data Plane, a single custom domain cannot be used for multiple Cloud Data Planes.

## How to set up a Custom Domain

In this example we are going to set up a custom domain called `Cloud Data Plane.corp.com` for a Cloud Data Plane deployment.

1. Create a CNAME DNS record `edge.corp.com` that points to your Cloud Data Plane ingress (e.g. `something-something.aws-euw2.cloud-ara.tyk.io`).
2. From your Cloud Data Plane deployment, select **Edit** from the Status drop-down.

<img src="https://mintcdn.com/tyk/rcbuH4FawxAvTx_L/img/2.10/edge-dropdown.png?fit=max&auto=format&n=rcbuH4FawxAvTx_L&q=85&s=a810b7ed5a6416a4bdda42bc320f8c9b" alt="Cloud Data Plane drop-down" width="421" height="253" data-path="img/2.10/edge-dropdown.png" />

3. Enter `edge.corp.com` in the Custom Domains field.

<img src="https://mintcdn.com/tyk/rcbuH4FawxAvTx_L/img/2.10/edge_custom_domain.png?fit=max&auto=format&n=rcbuH4FawxAvTx_L&q=85&s=fb5dd361760676b395b5c54fb68a27a0" alt="Cloud Data Plane Custom Domain" width="918" height="180" data-path="img/2.10/edge_custom_domain.png" />

4. Click **Save and Re-deploy**.

<img src="https://mintcdn.com/tyk/_n1j2nedxXfbDX-s/img/2.10/save_redeploy.png?fit=max&auto=format&n=_n1j2nedxXfbDX-s&q=85&s=2338e21b9f470ae8aa4e31432efb8b7c" alt="Save and Re-Deploy" width="412" height="91" data-path="img/2.10/save_redeploy.png" />

## How our Custom Domain functionality works

When you point your custom domain to your deployment, we use [Let's Encrypt's](https://letsencrypt.org/docs/challenge-types/#http-01-challenge) **HTTP01 ACME**  challenge type, which verifies ownership by accessing your custom CNAME on your Control Plane or Cloud Data Plane deployment. For example - `something-something.aws-euw2.cloud-ara.tyk.io` above.