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Nailed it!

Hi Gianluca, thanks for chiming in! I will look into getting this setup.  Should this solve our issue?  It seems that currently, the hreflang setup for just the home page isn't working.  Google is not showing the US site in Google US or showing the appropriate international site for Google in that specific country. Any other tips?  Hreflang setup for HTML will have to be applied for all pages, for all country-language sites, correct?  Where does the canonical point to? Lastly, if all of this is setup, do I remove country geo-targeting in Search Console? Thanks!

Good move! This recently happened to my site as well; someone created an account and then sent thousands of sites from over 100 domains to that page. Best to disavow.

That's what I'm hoping for since I still see them there.  Thanks for your input.