Private key

[Mirage110-26]

Detail instructions regarding installing the private and public key for authentication. It seems the tab to install the private doesn't have room for the entire key.

[KevinApodaca]

Can you explain what support article you are following? and which step?

[Mirage110-26]

Can you provide the link to an article directing the procedure of matching
the private key, public key and selector? Additionally noting that dns and
nameservers are with Cloudflare.

[KevinApodaca]

I don't understand what you are trying to accomplish, can you explain? 

Are you perhaps trying to set up Cloud DNS? If so, that is a Google Cloud Platform product, not a Google Workspace service so this forum might not be the right place to get help for that.

[Mirage110-26]

I'm trying to authenticate email. The Gmail authentication app in Workspace
only publishes a new public key. Then it is placed or inserted into the dns
record txt tab in Cloudflare. I'm asking about the key that is the server.
Perhaps the selector is incorrect.