Hi, @tharsheblows. Once Netlify DNS is enabled correctly (and it is) to make the link between the custom domain (or any subdomain of that custom domain) and the Netlify site, add the custom domain under Site Name > Settings > Domain management > Custom domains.
For this site, you can find the place to add the custom domain here:
Adding the custom domain to the site settings will automatically create any required DNS records to link the site and the account.
More specifically, it will create NETLIFY and NETLIFYv6 type record and there is more about those record type here.
If this doesn’t resolve the issue, please let us know.