Hostinger root domain setup

1. In this case, your custom domain will look like yourbusiness.com

2. Log in to your Hostinger dashboard

3. Go to Domains -> Domain portfolio

4. Click on Manage next to the domain

5. Go to DNS/Nameservers -> DNS record

6. Under the Manage DNS records section, select CNAME as the Type

7. Add the Name, Target and TTL fields as seen on the custom domain setting page on NeetoCourse.

8. Click on the Add Record button

For more information, refer official documentation