In cPanel, you may use PowerDNS to enable DNSSEC features. This sets up your domains to be pointed to Custom nameservers, which allows you to add and manage your DS records. You set up a DNSSEC Key at both the cPanel/WHM & Registrar.
You would be able to use these guides to enable them at the Registrar NameCheap:
For more details on how to generate a DNSSEC Key's, you can find more details in our documentation: