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How do I setup Custom Nameservers at Cloudflare?

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


Overview

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


By default, Custom Nameservers only apply to the specific Cloudflare domain where they are configured.

It is possible for Cloudflare domains to use the Custom Nameservers configured for a different domain. However, those domains require an Enterprise plan and a request must be sent to Cloudflare Support detailing which Custom Nameservers to apply.


Configure Custom Nameservers


Steps to add Custom Nameservers:

  1. Log into the Cloudflare dashboard.

  2. Ensure the website you want to update is selected.

  3. Click the DNS app.

  4. Scroll down to Custom Nameservers.

  5. Click Add Custom Nameservers and enter nameserver hostnames. (e.g. ns1, ns2, ns3).

  6. Cloudflare will assign IPv4 and IPv6 to your nameservers.

  7. Add the Custom Nameservers and IP addresses to your domain registrar’s DNS as glue (A or AAAA) records.
            *Failure to add the Cloudflare Custom Nameservers and IPs as glue records before updating your nameserver (NS) records will cause all DNS lookups for your domain to              fail.
  1. Update the nameservers at your registrar to point to the Custom Nameservers.

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