Google Sites does not give option to set Custom Domain

[steeve.martin.mza]

What is the name of the domain?

destapealejandro.com

What is the issue you’re encountering

Google site is not giving me the option for Custom Domain.

What steps have you taken to resolve the issue?

I have added all the necessary registries from Cloudflare. I have validated the domain in Google.

What feature, service or problem is this related to?

DNS records

Screenshot of the error

[steeve.martin.mza]

This is where I should see the option to use a Custom Domain

[fritex]

Sharing for help due to the non-www and www working with Google Sites proxied in my case, I’ve also got 404 in one moment and step, but managed it at the end to get it working - still works via https://cftest.webmaster.com.hr/:

Blogger website issue after nameserver update

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