new server cPanel into a cpanel and a cpanel dns only configuration help

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http://forums.cpanel.net – hello sorry for the terrible english , please use a bit of "fancy" if is possible to understand my situation.... i ve read the dns cluster guide. i have a cPanel server (web+ primary dns+mail) named dns1.hs.it and a cPanel dns only named dns2.hs.it configured in a cluster. now i have to add a cPanel server in my infrastructure, and i want to add into the cluster, the new cPanel have web+dns+mail such as the primary cpanel. now the question is about the dns function. i've read how to add multiple dns server to the cluster but i want that: the new web server cpane (HowTos)