Solved! Go to Solution.
I'm not sure if I understand your setup but I'll give it a whirl...
Being GoCentral is on its own servers, you need to point your domain to your hosting account where you uploaded the index.html file. Once the domain is designated for that hosting the domain should resolve.
Here's a guide on how to do that.
thank you Judith for your answer
By the way, I had not correctly setup my DNS
To solve my issue, I followed this tuto https://www.godaddy.com/help/manage-dns-zone-files-680