> ## Documentation Index
> Fetch the complete documentation index at: https://docs.0mcp.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Custom domain

> Serve your MCP server from a domain you own.

By default, every 0mcp server is available through a hosted 0mcp endpoint. You can also use a **custom domain** to provide your own branded MCP endpoint, such as `mcp.example.com`.

Using a custom domain gives you a stable endpoint that's independent of the default 0mcp domain.

## Connect a custom domain

To configure a custom domain:

1. Open your server and go to **Settings**.
2. Under **Custom Domain**, enter the hostname you want to use, such as `mcp.example.com`.
3. Copy the DNS record generated by 0mcp.
4. Add the record to your DNS provider.
5. Wait for domain verification and TLS provisioning to complete.
6. Once the domain becomes **Active**, update your [MCP client](/guides/setup) to use the new endpoint.

<Warning>
  Do not update production clients until the custom domain shows **Active** in 0mcp.
</Warning>

## DNS requirements

When configuring your domain:

* Enter only the hostname, such as `mcp.example.com`.
* Do not include `https://`, paths, or query parameters.
* Ensure the DNS record matches the value provided by 0mcp.
* During verification, keep the record **unproxied** if instructed by the dashboard.

<Note>
  DNS propagation and certificate issuance may take a few minutes depending on your DNS provider.
</Note>

## Best practices

* Use one hostname for each MCP server.
* Choose a stable hostname that won't need to change.
* Update your client configuration after the domain becomes active.
* Remove old or conflicting DNS records before reconnecting the same hostname.

## Troubleshooting

If your domain doesn't become active:

* Verify the DNS record exactly matches the value provided by 0mcp.
* Make sure the hostname isn't already connected to another server.
* Confirm you're using a hostname rather than a full URL.
* Allow time for DNS propagation and certificate provisioning to complete.

If the domain is active but your client still cannot connect, follow [MCP connection issues](/troubleshooting/mcp-connection-issues).