Shulou(Shulou.com)06/01 Report--

DNS is divided into Client and Server,Client to play the role of asking questions, that is, asking Server a Domain Name, and Server must answer the real IP address of this Domain Name. The local DNS will check its own database first. If you do not have your own database, you will ask the DNS server set up on the DNS. After getting the answer, you will save the received answer and answer the customer. The DNS server records the names under the domain according to different authorized areas (Zone), including the secondary domain name and host name under the domain.

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