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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.1I. Current Situation and Problems of Yayao Town更何况旁边还有黎水，她怕大哥一时半会制不服他，打斗声引来那些护卫就糟了，于是毫不犹豫地用了迷药。桐山涟#主演4月东京电视台广井王子原案新作的深夜剧《CODE：M コードネームミラージュ》，要润、佐野ひなこ、武田真治、萩原圣人、石丸谦二郎共演。4月7日开始每周五深夜1：23播出~CBS于2012年3月14日宣布续订第四季。你去齐国经营，万一为父在楚不顺，我宋家也不至衰败。