cPanel Web Host Manager(WHM) edit DNS allows you to edit the records in a particular domain’s DNS zone file or view zone information.Please follow the below procedure as,
[1] Login in to your WHM by using user name and password.
[2] Click the “Edit DNS Zone” in DNS Functions feature which is present in the left side of your WHM.
[3] It will show your zone records of name server, mail server,web server, ftp server, and corresponding IP address
[4] If you want to change the server name and IP address modify it.
[5] If you want add additional records also add in “Add New Entries Below this Line”.
[6] Click the button “Save”.