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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.小七笑嘻嘻看着他，依旧端着碟子站在他面前，一副等他吃完再拿的模样。范增摇头道：越国骑兵的规模不是很大，这个确实，但是也不能因此而掉与轻心。前田敦子将主演NHK漫改电视剧《传说中的母亲》(伝説のお母さん)！故事脑洞很大，讲述一名曾击败魔王使世界恢复和平的女魔法师，在平静的日子里生下小孩成为家庭主妇，结果魔王复活，她不得不成为兼顾育儿和维护世界和平的魔法师母亲。 该剧共8集，将于2020年2月1日开播。It is very important to solve the problem of waste packaging and promote green express delivery. On the one hand, at the source, it is necessary to formulate industry standards and packaging material standards to promote more environmentally friendly packaging materials; On the other hand, it is also necessary to strengthen recycling at terminals. For a single individual, the discarded express packages may be dozens of woven bags and packing boxes, but when the whole society comes together, the number of discarded woven bags and packing boxes can reach an astonishing billions in a year. If every individual covets convenience and labor, discarding it and throwing it away at random, it will not only cause waste of resources, but also bring pressure to subsequent garbage disposal and even cause environmental pollution. It seems that the society pays the bill, but in the end it is everyone living in this society. Green life requires us to practice it together.田遥使劲掰开黄豆的手，朝地上呸了一声道：你信她？我才不信，我就跟她赌了。武馆女掌门黄小鱼作误闯娱乐圈，意外成为当红明星袁帆的贴身保镖，正式开始甜喜过招的同居生活。黄小鱼也向袁帆坦白了自己被大热武侠游戏《新斗罗大陆》NPC附身的秘密，开启了一段游戏和现实双线开恋的高甜时光。