If you get credits for Azure they're accessed through microsoftazuresponsorships.com. Why not sponsorships.azure.microsoft.com or something like that? I checked

If you get credits for Azure they're accessed through microsoftazuresponsorships.com. Why not sponsorships.azure.microsoft.com or something like that? I checked it three times when I got the link, because it's exactly the kind of domain someone would use if they were going to steal your Azure credits.