I'm at a small but tech-heavy business, a TV station. The domain (that I set up in 2003) uses a .local TLD. Considering a move to office 365, which would require more hacks on top of the already ...
So I do the web work for a client, another person handles SEO (not sure why) and a third is new and handles their internal network, including Exchange. They have an external web server (shared linux ...