This tutorial is deprecated in favour of Troubleshooting Cloudflare 1XXX errors · Cloudflare Support docs
This post addresses the 1034 Error and covers what you should do to resolve it.
You may see the 1034 error when you visit your website, it would look like this:
The 1034 error occurs when you point DNS records to
18.104.22.168 or similar addresses. Cloudflare validates that the hostnames landing on an IP address (or set of addresses) are associated with the same account, preventing misconfiguration and/or potential abuse.
How To Suggestions
In order to resolve this issue, you should replace the revelant DNS record and point it to an address you control. In the case a placeholder address is needed for “originless” setups, use the IPv6 reserved address
100:: or the IPv4 reserved address
If You Need More Help
This community of other Cloudflare users may be able to assist you, login to Cloudflare and post your question to the Community. When you post on the Community make sure to include as much of this information as possible: the specific error message you are seeing, the URLs this is happening on, screen shot of the error, and the steps to reproduce the error. Please indicate what troubleshooting steps you’ve tried in order to help us help you.
Expert Input Appreciated
Help us improve this draft, reply to this Expert Solution with more details. We really appreciate comments like: “What are the three things to always try”, or “Do this first” or “In my experience”.