It might take up to 12-24 hours for a new domain to start working globally. During DNS zone propagation you will see our notification "Your domain is not pointing to our name servers". No worries! Since you can start building your website and see changes immediately by using Preview link feature!
In most of the cases, you will see Get preview URL button in your dashboard:
Otherwise, you can easily set it up yourself by using Parked Domains option in your Control Panel and create a new entry with username.hostingerapp.com - that will be your new link to preview your website content until your domain propagates!
Find your account username at the left side of the dashboard:
For this username preview link would look like this: u714503440.hostingerapp.com
Now give it a few moments and you will be able to use your own Preview link!