Changing cloudflare server cause interruption?

hello, if i add a cname to my cloudflare dns, it says i need to change my name servers which are just different cloudflare servers. can i change to the new cloudflare servers that include the cname and experiennce no outage/interruption to service?

This is a new one for me. My CF name servers haven’t changed since I first set them up, even when upgrading to Pro plans. So this sounds like a special circumstance.

Regardless, as long as the new Name Servers have all the same DNS records, it will be fine, but I would test this out with the ‘dig’ command, such as dig @newnameserver myCNAMEhostname (or other host names).

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