打字猴:1.700479091e+09
1700479091
1700479092 recorder.setOwner(“上海DNS服务器”);
1700479093
1700479094 }
1700479095
1700479096 //定义上海的DNS服务器能处理的级别
1700479097
1700479098 @Override
1700479099
1700479100 protected boolean isLocal(Recorder recorder){
1700479101
1700479102 return recorder.getDomain().endsWith(”.sh.cn”);
1700479103
1700479104 }
1700479105
1700479106 }
1700479107
1700479108 代码清单32-39 中国顶级DNS服务器
1700479109
1700479110 public class ChinaTopDnsServer extends DnsServer{
1700479111
1700479112 @Override
1700479113
1700479114 protected void sign(Recorder recorder){
1700479115
1700479116 recorder.setOwner(“中国顶级DNS服务器”);
1700479117
1700479118 }
1700479119
1700479120 @Override
1700479121
1700479122 protected boolean isLocal(Recorder recorder){
1700479123
1700479124 return recorder.getDomain().endsWith(”.cn”);
1700479125
1700479126 }
1700479127
1700479128 }
1700479129
1700479130 代码清单32-40 全球顶级DNS服务器
1700479131
1700479132 public class TopDnsServer extends DnsServer{
1700479133
1700479134 @Override
1700479135
1700479136 protected void sign(Recorder recorder){
1700479137
1700479138 recorder.setOwner(“全球顶级DNS服务器”);
1700479139
1700479140 }
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