To import a DNSSEC key for a domain, log in to your cPanel.
Scroll down to Domains.
Click Zone Editor.
In the Zone Editor interface, click DNSSEC in a domain’s row to display the DNSSEC interface.
Click Import Key.
The Import DNSSEC Key interface will appear.
Select the key type that you wish to import:
ZSK — Zone Signing Key.
KSK — Key Signing Key.
Enter the key information in the Key text box.
Click Import.