Error 1016 of Cloudflare

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How do I deal with Error 1016 in Cloudflare?

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Hi,

A Cloudflare 1016 would be related to custom domains/DNS setup.

Please share some specific details of the issue you are experiencing that may help us troubleshoot it with you, e.g. any logs/errors/output, specific URLs, service name/ID, reproduction steps, etc.

If you don’t want to share these details on the community forum, please feel free to raise a ticket from the “Contact Support” link while logged into the Dashboard.

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I set up a wildcard domain, but when I access it, it looks like this

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a.ztr.f5.si uses a CNAME to ztr.f5.si: https://www.whatsmydns.net/#CNAME/a.ztr.f5.si

So if you have setup *.ztr.f5.si wildcard, the error implies you have not added a custom domain for ztr.f5.si, which I suspect is the issue.

However, from our documentation, the wildcard (*.ztr.f5.si) should be a CNAME to the onrender.com domain of your service, not to the root of your domain