DNS question when Adding another server

Hello,

I currently have the following server :

servername.domain.tld, IP address 1.1.1.1

with DNS servers :

ns1.domain.tld, IP: 1.1.1.2
ns2.domain.tld, IP: 1.1.1.3
ns3.domain.tld, IP: 1.1.1.4

Recently I've purchased another server :

servername2.domain.tld, IP address 2.1.1.1
IP addresses 2.1.1.2 - 2.1.1.4 av.

and would like it to take over one of the DNS servers :

ns2.domain.tld, IP: 1.1.1.3 -> 2.1.1.2.

Hope this explains what I'd like to do. How do I accomplish this??
Both servers are running cPanel.

Thanks.

 

 

 

 

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