How to specify CNAME for second level domain?

Question

Domain Name System

Tell me, please, my www.site.com subdomain redirects to brand.111.com. like this:
www IN CNAME brand.111.com.
How to make the site (without www) - site.com linked to brand.111.com?
Tried like this:
@ IN CNAME brand.111.com.
But it throws an error

Answer 1

Try
site.com. IN CNAME brand.111.com.