Hi @lukek, sorry for the confusion. If you see the message under Standard Protection, it says:
Protect all except production Custom Domains for your project.
As per these docs, it includes:
Any domain that appears in the Domains tab of your Project Settings in the Vercel Dashboard and is assigned to the
Productionenvironment.
So, in this case I’d have to say you’d have to not use the Production environment if you want to protect those domains as well or create a very random domain prefix that’s extremely hard to guess. Now, I think you can use v0 to publish to preview environment instead of production environment, which can solve the issue. For example, in this image I have used v0 to have preview deployments, which will be covered in Standard Deployment Protection:
