Once connected to your NameCheap interface, enter the management page of your website domain name, then click on the “Advanced DNS” section:
Click on the “Add new record” button then choose “CNAME Record” from the drop down menu:
In the “target” field, enter “custom.metaffiliation.com.” (do not forget the ending dot).
In the “Host” field, enter the subdomain generated by Kwanko.
Validate by clicking on the green check at the end of the line.