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工作学习 / IT技术讨论 / 闲了，问大家一个DNS上的trick。这里是个Demo，ping *.usuck.com你对结果奇怪吗？在.usuck.com前你写什么都无所，都指向一个地址，请问是怎样实现的？
-mildkiller(温柔杀手);
2001-11-27
(#277144@0)
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子域名，比如用apache里面设虚拟主机，不光是*.usuck.com是一样的，所有在那太机器上的都一样的。
-heian(㊣天使);
2001-11-27
(#277146@0)
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什么意思?你在dns记录里配成这样不就行了.
-netee(netee);
2001-11-27
(#277153@0)
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because it's the same server.... when you ping, you ping the server, not a subweb from the server.
-jeffrey815(Smartiecat);
2001-11-27
(#277154@0)
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That's wildcard DNS resource records.
-dennis2(Dennis);
2001-11-28
(#277929@0)