Allow hosting for this domain

[KangJL]

I see this

You need to add base domain before adding subdomain to hosting account

How to point your domain name to InfinityFree nameservers

Before adding your domain name to your hosting account, you need to point it to the InfinityFree nameservers. This guide will walk you through the necessary steps using Spaceship as an example. Keep in mind that different domain registrars have different interfaces, so the exact steps may vary. Step 0: Find the correct nameservers Before changing your nameservers, you need to determine which nameservers to use. The appropriate nameservers depend on your account type: For new accounts or exist…

This seem doable as well