In my experience the amount of spam is directly related to the domain (and what it's digital footprint is). That being said, for my hobby/personal domains, the

In my experience the amount of spam is directly related to the domain (and what it's digital footprint is). That being said, for my hobby/personal domains, the spam has been as close to zero as you could reasonably expect (maybe a few per week, and they are correctly flagged as spam).