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recorder.setOwner(“上海DNS服务器”);
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}
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//定义上海的DNS服务器能处理的级别
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@Override
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protected boolean isLocal(Recorder recorder){
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return recorder.getDomain().endsWith(”.sh.cn”);
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}
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}
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代码清单32-39 中国顶级DNS服务器
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public class ChinaTopDnsServer extends DnsServer{
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@Override
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protected void sign(Recorder recorder){
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recorder.setOwner(“中国顶级DNS服务器”);
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}
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@Override
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protected boolean isLocal(Recorder recorder){
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return recorder.getDomain().endsWith(”.cn”);
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}
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}
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代码清单32-40 全球顶级DNS服务器
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public class TopDnsServer extends DnsServer{
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@Override
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protected void sign(Recorder recorder){
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recorder.setOwner(“全球顶级DNS服务器”);
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}
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