At last, Microsoft has finally bit the bullet and purchased the corp.com domain. You may be asking yourself, why is this relevant? The answer to this goes way back in time, back to a time when computers being networked to one another was a relatively new thing to do. Long story short, Microsoft used the corp.com name as a default name when creating your own Active Directory based domain.
Ok I admit, I’m probably not as well versed its its history as I should be but kudos goes to Brian Krebs who has kept close track of this as of late.
Check out his post about the topic here for the full scoop!