WHM (Web Host Manager) is a tool which allows user to manage multiple cPanel-based sites. It gives the administrative access to the back end of cPanel. Therefore it is easy to manage multiple cPanels via WHM.
When you get a fresh WHM from a hosting provider, you may need to do changes to the inital configurations to use WHM without any issues. This will expalin how to enable “Zone Editor” (TXT,SRV,CAA,AAAA) feature to add or modify cPanle generated record via WHM.