Created page with "== DNS的结构== 域名系统的结构呈现为以下形式: *域名空间:由含有节点和分支的域名树状结构表示<ref>[http://www.comptechdoc.org/independent..."
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但是,DNS不包括安全扩展,而是被开发为[[DNSSEC|域名系统安全扩展]](DNSSEC)。
但是,DNS不包括安全扩展,而是被开发为[[DNSSEC|域名系统安全扩展]](DNSSEC)。
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==The Structure of a DNS==
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== DNS的结构==
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The Domain Name System presents the following structure:
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域名系统的结构呈现为以下形式:
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* Domain space name: represented by tree of domain names with nodes and leaves <ref>[http://www.comptechdoc.org/independent/networking/guide/netdns.html DNS Structure]</ref>
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*域名空间:由含有节点和分支的域名树状结构表示<ref>[http://www.comptechdoc.org/independent/networking/guide/netdns.html DNS Structure]</ref>
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* Domain name syntax: rules include in standards like [[RFC 1035]], [[RFC 1123]], and [[RFC 2181]]