= DNS/Cloudflare/custom_nameservers =

Cloudflare Support DNS Custom Nameservers 

https://support.cloudflare.com/hc/en-us/articles/200169006-Setting-up-Custom-Nameservers-at-Cloudflare

Setting up Custom Nameservers at Cloudflare

With Custom Nameservers, a domain can use Cloudflare DNS without using the host names of Cloudflare-assigned Nameservers.

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Overview

Cloudflare domains on Business or Enterprise plans can set Custom Nameservers at Cloudflare.