sure, I've seen outages that are caused by DNS config problems. But I don't think I've ever seen one caused by a "thundering herd" overwhelming DNS servers. An

sure, I've seen outages that are caused by DNS config problems. But I don't think I've ever seen one caused by a "thundering herd" overwhelming DNS servers. Another give away that this is a lie is that support emails were getting a stock postfix error message which means that MX records at least were resolving.