If you experience connection-related issues with your web site when Cloudflare is enabled, this article provides information you can use to troubleshoot and help determine the cause.
One of the most common (and visible) indications of a problem is when your site displays a Cloudflare error page instead of your own content. These error pages can provide valuable information about why your site is not loading correctly.
There are several scenarios where Cloudflare displays an error page:
For Cloudflare to work, your domain's nameserver settings must be configured to route traffic through their network.
To verify that your site is configured at the DNS level to use the Cloudflare network, follow these steps:
In the dig command output, look under AUTHORITY SECTION:
On your local computer, use dig or nslookup to query www.example.com, where example.com represents your domain name.
For more information about Cloudflare, please visit https://www.cloudflare.com.
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