According to the documentation, the answer to this question is not explicitly stated. However, I can provide some information on custom domains on Cloudflare.
Cloudflare does offer custom domains, but the availability and features may vary depending on the plan. On the Free plan, you can add a custom domain, but there might be some limitations.
To get a more accurate answer, I would recommend checking the Cloudflare documentation or contacting their support team for more information on custom domains on the Free plan.
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