I have not had too many spam email for a while in my gmail but recently I get 5-10 emails a day linked to @dcksa.onmicrosoft.com
It seems that MS(hotmail) not doing anything about it.
Here are just some
https://www.spamcop.net/sc?id=z6757976873ze233af4cff0be74b154215d850eec2adz https://www.spamcop.net/sc?id=z6757976874zc629a9892b880b53e6d408900d380024z https://www.spamcop.net/sc?id=z6757976875z76e910c51b211c10e2a85851e8446017z