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The attack uses the method of sending a large number of domain name resolution requests to the attacked server, Usually the domain name requested to be resolved is randomly generated or does not exist on the network. When the attacked DNS server receives the domain name resolution request, it will first look for whether there is a corresponding cache on the server. If it cannot be found and the domain name cannot be directly resolved by the server, the DNS server will recursively query the domain name information from its upper DNS server. The process of domain name resolution brings a great load to the server. If the number of domain name resolution requests exceeds a certain number per second, the DNS server will time out to resolve domain names.我知道，影视学院花费大，所以我打了好几份工。《豪门望族》的原作是由小山由加利在Kiss上连载的同名漫画。描写了从平民家庭嫁到上流社会一族的筱原佐都，被不讲理的惯例和亲属间复杂的人际关系所玩弄，与丈夫一起奋斗的故事。将军高明啊。Tmall conducts lottery activities in Double 11 every year. For example, if Alibaba wants to improve people's use of Alipay to pay, if each user recharges 500 yuan to Alipay, then he can win 100% of the 100 yuan red envelope.After the Xi'an Incident, Aban visited Chiang and his wife in Hangzhou and recorded Chiang Kai-shek's personal memories of the Xi'an Incident in the form of quoted direct quotation, which was translated into Song Meiling on the spot. This memory should be the closest to the actual experience.