Cloudflare Error 1023: Could not find host
Cloudflare can’t find the host — typically a zone that’s inactive or a custom hostname/SSL for SaaS not set up.
Exact message you may see
Could not find host
Seen on:
Cloudflare
Meaning
Appears for zones pending activation, deleted zones, or SaaS custom hostnames not provisioned on the provider’s zone.
Common causes
- Zone not active
- Custom hostname not configured (Cloudflare for SaaS)
- DNS cached from an old setup
⚡ Quick fix
- Verify the zone is active
- Add/validate the custom hostname at the SaaS provider
- Wait for DNS caches to expire
Detailed fix by platform
Shell
dig +short example.com @1.1.1.1
How to diagnose
- Zone — Status
- SaaS — Custom hostname status
🔧 Still not fixed?
Many errors look alike. If the steps above didn’t solve it, one of these is probably what you’re facing:
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Where this error sits
Origin: Edge & web server. Errors that are often confused with or caused by this one (click to open):
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Last updated 14 Oct 2026