Would anyone else have stayed up, though? This isn't just going to be a fear response, the risk assessment will be to ask "what could have prevented this?" Lot

Would anyone else have stayed up, though? This isn't just going to be a fear response, the risk assessment will be to ask "what could have prevented this?" Lots of people will quit using Dyn as a sole DNS, but I don't see any reason they'll quit being involved in people's multiple DNS solutions.