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

# What Type of Domain Can They Use?

> Subdomain vs. root vs. custom — what works.

## Domain Types Supported

| Type      | Example         | Works? |
| --------- | --------------- | ------ |
| Subdomain | `ai.client.com` | Yes    |
| Root      | `client.com`    | No     |
| Subfolder | `client.com/ai` | No     |

> Only **subdomains** allowed for security.