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In the process of DNS resolution, the client initiates a query request, and the DNS server may need to make additional queries to complete the resolution process and give a response, which will consume certain computing and network resources. If an attacker uses a large number of controlled hosts to continuously send resolution requests for different domain names, the cache of the DNS server will be continuously refreshed, and the failure of a large number of resolution requests to hit the cache will cause the DNS server to consume additional resources for iterative queries, which will greatly increase the resource consumption of the DNS server.在以后很长一段时间内，尹旭的神奇之处，萧何一直记忆犹新。老者笑道：还记得前些日子去温县吗？许县令家的负姑娘曾为薄姬相面，称薄姬面相大贵，日后会是天下第一贵fù人，当生天子。小葱吓了一跳，急忙问道：咋了？是不是蛇？哥哥小心。《行尸走肉第九季》是《行尸走肉》系列电视剧的第九季。该剧根据托尼·摩尔（Tony Moore）的同名漫画改编，讲述了一群人在僵尸末日中艰难生存的故事。　　张一男是李春天姐姐李思扬的前男友，多年前李思扬去了美国，两人不得已分手。在李春天的介绍下，张一男和刘青青认识并相恋，是一对欢喜冤家。After this time the mines have come into play, The company commander also ordered us to take advantage of the gap between operations. To replace the mines that have already triggered the explosion with new ones, I was one of four people on this mission, I remember when I went down there, I saw the bodies of the dogs, I can't help but look at those who were killed by steel balls but were relatively complete. There is one place I am very strange: although they were beaten by steel balls and lay there dead with holes, they had no blood at all, but there were some green things around the bullet holes, which was disgusting to look at. "