结果今天早上在看邮箱的时候发现了这封来自域名注册商的邮件。原来是域名注册商的域名服务器遭受了DDoS attack 。然后因为仓促，他们也没有及时给我们发邮件。我多花了2个多小时！！！
On Sunday evening, our Name Servers were unavailable due to a DDoS attack on our servers. While our on-call engineering teams worked diligently to bring our servers back up as quickly as possible there was a crucial communication protocol that was overlooked by the team. Unfortunately, the downtime was not properly communicated internally which caused the lack of communication with our customers.Our team is currently working on upgrading our DDoS protection on all of our products and services. We have identified a number of things that we can do better not only technically but also in the way we communicate with you. We will work on having a better line of communication during service disruptions to make sure we keep you in the loop. We truly apologize for this downtime and our lack of communication and know that we must do better moving forward.