As a domain and hosting provider, a DNS setting is mandatory for a web hosting provider so that clients can easily set their DNS records from the client area. Now the questions arise whether you need to set up an infrastructure for these DNS settings. No, Cloudflare offers FREE DNS to the hosting providers, and you can easily resell them with our module. So, you do not need any other DNS service provider; you can manage them for free with Cloudflare. https://whmcsglobalservices.com/whmcs-cloudflare-module/