Aside from the Google domain issue (which is obviously a problem) -- why on earth would GitBook be hosting user-generated content under their corporate gitbook.com domain? The registrar issue is one problem here -- but I don't see this addressed in their post-mortem. I thought this was a well-known issue. You don't host user-generated content on the same domain that handles your corporate email. Because things like t…
They _should_ split their domains, and given this recent issue, it would make sense for them to prioritize that. But, well, easier said than done.