whm cpanel expert lightspeed server expert with domain (PTR) record creation

i have a dedicated server. already installed whm cpanel/cloud linux/lightspeed server. we want expert for setting and resolving website page errors and speed. whmcs installation problem. when a new site like html or php is created in cpanel there should be no problem in running it and .domain (PTR) record creation

note: You have to work on our computer through any desk remote.