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1023

Error 1023: Could not find host

Alternative forms: Error 1023

What does this code mean?

Code 1023 · An issue reported by Cloudflare HTTP errors.

Official explanation · Original text

This error indicates that the host could not be found due to a configuration issue or propagation delay. - If the owner just signed up for Cloudflare it can take a few minutes for the website's information to be distributed to our global network. Something is wrong with the site's configuration. - Usually, this happens when accounts have been signed up with a partner organization (for example, hosting provider) and the provider's DNS fails.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

Error 1023: Could not find host ↗

Creator: Cloudflare, Inc. and contributors
License: Creative Commons Attribution 4.0 International
Checked on: 2026-11-12

Modifications: Selected introductory official description; Markdown stripped; original Korean product context added. Direct official error page retains the complete cause and resolution instructions.

Source details · Original licenses and notices