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云服务器 ECS Linux 系统下使用 dig 命令查询域名解析

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云服务器 ECS Linux 系统可以使用通常自带的 dig 命令来查询域名解析情况。本文对此进行简要说明。

 

查询域名 A 记录

命令格式：

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<ol class="linenums">
  
 <li class="L0"><span class="pln">dig </span><span class="pun"><域名></span></li>
 
</ol>

比如，查询域名 www.aliyun.com 的解析情况：

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<ol class="linenums">
  
 <li class="L0"><span class="pln">$ dig www</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><p><span class="pun">;</span><span class="pln"> </span><span class="pun"><<>></span><span class="pln"> </span><span class="typ">DiG</span><span class="pln"> </span><span class="lit">9.8</span><span class="pun">.</span><span class="lit">2rc1</span><span class="pun">-</span><span class="typ">RedHat</span><span class="pun">-</span><span class="lit">9.8</span><span class="pun">.</span><span class="lit">2</span><span class="pun">-</span><span class="lit">0.37</span><span class="pun">.</span><span class="pln">rc1</span><span class="pun">.</span><span class="pln">el6_7</span><span class="pun">.</span><span class="lit">7</span><span class="pln"> </span><span class="pun"><<>></span><span class="pln"> www</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><br><span class="pun">;;</span><span class="pln"> global options</span><span class="pun">:</span><span class="pln"> </span><span class="pun">+</span><span class="pln">cmd</span><br><span class="pun">;;</span><span class="pln"> </span><span class="typ">Got</span><span class="pln"> answer</span><span class="pun">:</span><br><span class="pun">;;</span><span class="pln"> </span><span class="pun">->></span><span class="pln">HEADER</span><span class="pun"><<-</span><span class="pln"> opcode</span><span class="pun">:</span><span class="pln"> QUERY</span><span class="pun">,</span><span class="pln"> status</span><span class="pun">:</span><span class="pln"> NOERROR</span><span class="pun">,</span><span class="pln"> id</span><span class="pun">:</span><span class="pln"> </span><span class="lit">15919</span><br><span class="pun">;;</span><span class="pln"> flags</span><span class="pun">:</span><span class="pln"> qr aa rd ra</span><span class="pun">;</span><span class="pln"> QUERY</span><span class="pun">:</span><span class="pln"> </span><span class="lit">1</span><span class="pun">,</span><span class="pln"> ANSWER</span><span class="pun">:</span><span class="pln"> </span><span class="lit">3</span><span class="pun">,</span><span class="pln"> AUTHORITY</span><span class="pun">:</span><span class="pln"> </span><span class="lit">2</span><span class="pun">,</span><span class="pln"> ADDITIONAL</span><span class="pun">:</span><span class="pln"> </span><span class="lit">4</span></p><p><span class="pun">;;</span><span class="pln"> QUESTION SECTION</span><span class="pun">:</span><br><span class="pun">;</span><span class="pln">www</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">                        IN      A</span></p><p><span class="pun">;;</span><span class="pln"> ANSWER SECTION</span><span class="pun">:</span><br><span class="pln">www</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">         </span><span class="lit">600</span><span class="pln">     IN      CNAME   www</span><span class="pun">-</span><span class="pln">adns</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><br><span class="pln">www</span><span class="pun">-</span><span class="pln">adns</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">    </span><span class="lit">300</span><span class="pln">     IN      CNAME   www</span><span class="pun">-</span><span class="pln">adns</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">gds</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><br><span class="pln">www</span><span class="pun">-</span><span class="pln">adns</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">gds</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln"> </span><span class="lit">247</span><span class="pln"> IN A </span><span class="lit">140.205</span><span class="pun">.</span><span class="lit">62.8</span></p><p><span class="pun">;;</span><span class="pln"> AUTHORITY SECTION</span><span class="pun">:</span><br><span class="pln">gds</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">     </span><span class="lit">82</span><span class="pln">      IN      NS      gdsns2</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><br><span class="pln">gds</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">     </span><span class="lit">82</span><span class="pln">      IN      NS      gdsns1</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span></p><p><span class="pun">;;</span><span class="pln"> ADDITIONAL SECTION</span><span class="pun">:</span><br><span class="pln">gdsns1</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">  </span><span class="lit">877</span><span class="pln">     IN      A       </span><span class="lit">140.205</span><span class="pun">.</span><span class="lit">122.66</span><br><span class="pln">gdsns1</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">  </span><span class="lit">877</span><span class="pln">     IN      A       </span><span class="lit">198.11</span><span class="pun">.</span><span class="lit">138.254</span><br><span class="pln">gdsns2</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">  </span><span class="lit">877</span><span class="pln">     IN      A       </span><span class="lit">140.205</span><span class="pun">.</span><span class="lit">67.254</span><br><span class="pln">gdsns2</span><span class="pun">.</span><span class="pln">alibabadns</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">  </span><span class="lit">877</span><span class="pln">     IN      A       </span><span class="lit">140.205</span><span class="pun">.</span><span class="lit">122.88</span></p><p><span class="pun">;;</span><span class="pln"> </span><span class="typ">Query</span><span class="pln"> time</span><span class="pun">:</span><span class="pln"> </span><span class="lit">49</span><span class="pln"> msec</span><br><span class="pun">;;</span><span class="pln"> SERVER</span><span class="pun">:</span><span class="pln"> </span><span class="lit">10.242</span><span class="pun">.</span><span class="lit">197.247</span><span class="com">#53(10.242.197.247)</span><br><span class="pun">;;</span><span class="pln"> WHEN</span><span class="pun">:</span><span class="pln"> </span><span class="typ">Thu</span><span class="pln"> </span><span class="typ">Jun</span><span class="pln">  </span><span class="lit">9</span><span class="pln"> </span><span class="lit">18</span><span class="pun">:</span><span class="lit">43</span><span class="pun">:</span><span class="lit">55</span><span class="pln"> </span><span class="lit">2016</span><br><span class="pun">;;</span><span class="pln"> MSG SIZE  rcvd</span><span class="pun">:</span><span class="pln"> </span><span class="lit">226</span></p></li>
 
</ol>

查询域名解析在指定 DNS 服务器解析是否生效

命令格式：

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<ol class="linenums">
  
 <li class="L0"><span class="pln">dig </span><span class="pun"><域名></span><span class="pln"> </span><span class="pun">@<</span><span class="pln">DNS </span><span class="pun">服务器地址></span></li>
 
</ol>

比如，查询 www.aliyun.com 在 223.5.5.5 DNS 服务器是否解析生效：

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<ol class="linenums">
  
 <li class="L0"><span class="pln">$ dig www</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com </span><span class="pun">@</span><span class="lit">223.5</span><span class="pun">.</span><span class="lit">5.5</span><span class="pun">;</span><span class="pln"> </span><span class="pun"><<>></span><span class="pln"> </span><span class="typ">DiG</span><span class="pln"> </span><span class="lit">9.8</span><span class="pun">.</span><span class="lit">2rc1</span><span class="pun">-</span><span class="typ">RedHat</span><span class="pun">-</span><span class="lit">9.8</span><span class="pun">.</span><span class="lit">2</span><span class="pun">-</span><span class="lit">0.37</span><span class="pun">.</span><span class="pln">rc1</span><span class="pun">.</span><span class="pln">el6_7</span><span class="pun">.</span><span class="lit">7</span><span class="pln"> </span><span class="pun"><<>></span><span class="pln"> www</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com </span><span class="pun">@</span><span class="lit">223.5</span><span class="pun">.</span><span class="lit">5.5</span><span class="pun">;;</span><span class="pln"> global options</span><span class="pun">:</span><span class="pln"> </span><span class="pun">+</span><span class="pln">cmd</span><span class="pun">;;</span><span class="pln"> </span><span class="typ">Got</span><span class="pln"> answer</span><span class="pun">:;;</span><span class="pln"> </span><span class="pun">->></span><span class="pln">HEADER</span><span class="pun"><<-</span><span class="pln"> opcode</span><span class="pun">:</span><span class="pln"> QUERY</span><span class="pun">,</span><span class="pln"> status</span><span class="pun">:</span><span class="pln"> NOERROR</span><span class="pun">,</span><span class="pln"> id</span><span class="pun">:</span><span class="pln"> </span><span class="lit">29651</span><span class="pun">;;</span><span class="pln"> flags</span><span class="pun">:</span><span class="pln"> qr rd ra</span><span class="pun">;</span><span class="pln"> QUERY</span><span class="pun">:</span><span class="pln"> </span><span class="lit">1</span><span class="pun">,</span><span class="pln"> ANSWER</span><span class="pun">:</span><span class="pln"> </span><span class="lit">3</span><span class="pun">,</span><span class="pln"> AUTHORITY</span><span class="pun">:</span><span class="pln"> </span><span class="lit">0</span><span class="pun">,</span><span class="pln"> ADDITIONAL</span><span class="pun">:</span><span class="pln"> </span><span class="lit">0</span><span class="pun">;;</span><span class="pln"> QUESTION SECTION</span><span class="pun">:;</span><span class="pln">www</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">                        IN      A</span><span class="pun">;;</span><span class="pln"> ANSWER SECTION</span><span class="pun">:</span><span class="pln">www</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">         </span><span class="lit">95</span><span class="pln">      IN      CNAME   www</span><span class="pun">-</span><span class="pln">adns</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">  </span><span class="com"># 查询到的解析记录www-adns.aliyun.com.    95      IN      CNAME   www-adns.aliyun.com.gds.alibabadns.com.   # 查询到的解析记录www-adns.aliyun.com.gds.alibabadns.com. 95 IN A 140.205.63.8;; Query time: 0 msec;; SERVER: 223.5.5.5#53(223.5.5.5);; WHEN: Thu Jun  9 18:44:42 2016;; MSG SIZE  rcvd: 120</span></li>
 
</ol>

查询域名的 CNAME 记录

命令格式：

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<ol class="linenums">
  
 <li class="L0"><span class="pln">dig CNAME </span><span class="pun"><域名></span></li>
 
</ol>

比如，查询域名 www.aliyun.com 的 CNAME 记录:

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<ol class="linenums">
  
 <li class="L0"><span class="com"># dig CNAME www.aliyun.com; <<>> DiG 9.9.4-RedHat-9.9.4-14.el7 <<>> CNAME www.aliyun.com;; global options: +cmd;; Got answer:;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4690;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 7;; OPT PSEUDOSECTION:; EDNS: version: 0, flags:; udp: 4096;; QUESTION SECTION:;www.aliyun.com.            IN    CNAME;; ANSWER SECTION:www.aliyun.com.        120    IN    CNAME    www-intl-adns.aliyun.com.  # 查询到的 CNAME 信息;; AUTHORITY SECTION:aliyun.com.        172800    IN    NS    ns5.aliyun.com.aliyun.com.        172800    IN    NS    ns4.aliyun.com.aliyun.com.        172800    IN    NS    ns3.aliyun.com.;; ADDITIONAL SECTION:ns3.aliyun.com.        432000    IN    A    42.120.250.251ns4.aliyun.com.        432000    IN    A    110.75.20.27ns4.aliyun.com.        432000    IN    A    140.205.71.248ns4.aliyun.com.        432000    IN    A    42.156.241.248ns5.aliyun.com.        432000    IN    A    140.205.2.187ns5.aliyun.com.        432000    IN    A    198.11.138.248;; Query time: 10 msec;; SERVER: 10.202.72.118#53(10.202.72.118);; WHEN: Fri Jul 08 11:46:33 CST 2016;; MSG SIZE  rcvd: 221</span></li>
 
</ol>

查询 IP 反解记录

命令格式：

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<ol class="linenums">
  
 <li class="L0"><span class="pln">dig </span><span class="pun">-</span><span class="pln">x </span><span class="pun"><目标</span><span class="pln"> IP </span><span class="pun">地址></span></li>
 
</ol>
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<ol class="linenums">
  
 <li class="L0"><span class="pln">$ dig </span><span class="pun">-</span><span class="pln">x </span><span class="lit">140.205</span><span class="pun">.</span><span class="lit">62.8</span><span class="pun">;</span><span class="pln"> </span><span class="pun"><<>></span><span class="pln"> </span><span class="typ">DiG</span><span class="pln"> </span><span class="lit">9.9</span><span class="pun">.</span><span class="lit">4</span><span class="pun">-</span><span class="typ">RedHat</span><span class="pun">-</span><span class="lit">9.9</span><span class="pun">.</span><span class="lit">4</span><span class="pun">-</span><span class="lit">14.el7</span><span class="pln"> </span><span class="pun"><<>></span><span class="pln"> </span><span class="pun">-</span><span class="pln">x </span><span class="lit">140.205</span><span class="pun">.</span><span class="lit">62.8</span><span class="pun">;;</span><span class="pln"> global options</span><span class="pun">:</span><span class="pln"> </span><span class="pun">+</span><span class="pln">cmd</span><span class="pun">;;</span><span class="pln"> </span><span class="typ">Got</span><span class="pln"> answer</span><span class="pun">:;;</span><span class="pln"> </span><span class="pun">->></span><span class="pln">HEADER</span><span class="pun"><<-</span><span class="pln"> opcode</span><span class="pun">:</span><span class="pln"> QUERY</span><span class="pun">,</span><span class="pln"> status</span><span class="pun">:</span><span class="pln"> NXDOMAIN</span><span class="pun">,</span><span class="pln"> id</span><span class="pun">:</span><span class="pln"> </span><span class="lit">38256</span><span class="pun">;;</span><span class="pln"> flags</span><span class="pun">:</span><span class="pln"> qr rd ra</span><span class="pun">;</span><span class="pln"> QUERY</span><span class="pun">:</span><span class="pln"> </span><span class="lit">1</span><span class="pun">,</span><span class="pln"> ANSWER</span><span class="pun">:</span><span class="pln"> </span><span class="lit">0</span><span class="pun">,</span><span class="pln"> AUTHORITY</span><span class="pun">:</span><span class="pln"> </span><span class="lit">1</span><span class="pun">,</span><span class="pln"> ADDITIONAL</span><span class="pun">:</span><span class="pln"> </span><span class="lit">1</span><span class="pun">;;</span><span class="pln"> OPT PSEUDOSECTION</span><span class="pun">:;</span><span class="pln"> EDNS</span><span class="pun">:</span><span class="pln"> version</span><span class="pun">:</span><span class="pln"> </span><span class="lit">0</span><span class="pun">,</span><span class="pln"> flags</span><span class="pun">:;</span><span class="pln"> udp</span><span class="pun">:</span><span class="pln"> </span><span class="lit">4096</span><span class="pun">;;</span><span class="pln"> QUESTION SECTION</span><span class="pun">:;</span><span class="lit">8.62</span><span class="pun">.</span><span class="lit">205.140</span><span class="pun">.</span><span class="kwd">in</span><span class="pun">-</span><span class="pln">addr</span><span class="pun">.</span><span class="pln">arpa</span><span class="pun">.</span><span class="pln">    IN    PTR</span><span class="pun">;;</span><span class="pln"> AUTHORITY SECTION</span><span class="pun">:</span><span class="lit">140.in</span><span class="pun">-</span><span class="pln">addr</span><span class="pun">.</span><span class="pln">arpa</span><span class="pun">.</span><span class="pln">    </span><span class="lit">945</span><span class="pln">    IN    SOA    z</span><span class="pun">.</span><span class="pln">arin</span><span class="pun">.</span><span class="pln">net</span><span class="pun">.</span><span class="pln"> dns</span><span class="pun">-</span><span class="pln">ops</span><span class="pun">.</span><span class="pln">arin</span><span class="pun">.</span><span class="pln">net</span><span class="pun">.</span><span class="pln"> </span><span class="lit">2016031910</span><span class="pln"> </span><span class="lit">1800</span><span class="pln"> </span><span class="lit">900</span><span class="pln"> </span><span class="lit">691200</span><span class="pln"> </span><span class="lit">10800</span><span class="pun">;;</span><span class="pln"> </span><span class="typ">Query</span><span class="pln"> time</span><span class="pun">:</span><span class="pln"> </span><span class="lit">3</span><span class="pln"> msec</span><span class="pun">;;</span><span class="pln"> SERVER</span><span class="pun">:</span><span class="pln"> </span><span class="lit">10.202</span><span class="pun">.</span><span class="lit">72.118</span><span class="com">#53(10.202.72.118);; WHEN: Fri Jul 08 11:51:32 CST 2016;; MSG SIZE  rcvd: 108</span></li>
 
</ol>

查询域名的 mx 解析记录

 

命令格式：

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<ol class="linenums">
  
 <li class="L0"><span class="pln">dig mx </span><span class="pun"><目标域名></span></li>
 
</ol>

?比如，查询域名 aliyun.com 的 mx 解析记录：

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<ol class="linenums">
  
 <li class="L0"><span class="pln">$ dig mx aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">;</span><span class="pln"> </span><span class="pun"><<>></span><span class="pln"> </span><span class="typ">DiG</span><span class="pln"> </span><span class="lit">9.8</span><span class="pun">.</span><span class="lit">2rc1</span><span class="pun">-</span><span class="typ">RedHat</span><span class="pun">-</span><span class="lit">9.8</span><span class="pun">.</span><span class="lit">2</span><span class="pun">-</span><span class="lit">0.37</span><span class="pun">.</span><span class="pln">rc1</span><span class="pun">.</span><span class="pln">el6_7</span><span class="pun">.</span><span class="lit">7</span><span class="pln"> </span><span class="pun"><<>></span><span class="pln"> mx aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">;;</span><span class="pln"> global options</span><span class="pun">:</span><span class="pln"> </span><span class="pun">+</span><span class="pln">cmd</span><span class="pun">;;</span><span class="pln"> </span><span class="typ">Got</span><span class="pln"> answer</span><span class="pun">:;;</span><span class="pln"> </span><span class="pun">->></span><span class="pln">HEADER</span><span class="pun"><<-</span><span class="pln"> opcode</span><span class="pun">:</span><span class="pln"> QUERY</span><span class="pun">,</span><span class="pln"> status</span><span class="pun">:</span><span class="pln"> NOERROR</span><span class="pun">,</span><span class="pln"> id</span><span class="pun">:</span><span class="pln"> </span><span class="lit">33606</span><span class="pun">;;</span><span class="pln"> flags</span><span class="pun">:</span><span class="pln"> qr aa rd ra</span><span class="pun">;</span><span class="pln"> QUERY</span><span class="pun">:</span><span class="pln"> </span><span class="lit">1</span><span class="pun">,</span><span class="pln"> ANSWER</span><span class="pun">:</span><span class="pln"> </span><span class="lit">1</span><span class="pun">,</span><span class="pln"> AUTHORITY</span><span class="pun">:</span><span class="pln"> </span><span class="lit">3</span><span class="pun">,</span><span class="pln"> ADDITIONAL</span><span class="pun">:</span><span class="pln"> </span><span class="lit">7</span><span class="pun">;;</span><span class="pln"> QUESTION SECTION</span><span class="pun">:;</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">                    IN      MX</span><span class="pun">;;</span><span class="pln"> ANSWER SECTION</span><span class="pun">:</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">             </span><span class="lit">3600</span><span class="pln">    IN      MX      </span><span class="lit">10</span><span class="pln"> mx2</span><span class="pun">.</span><span class="pln">mail</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.;;</span><span class="pln"> AUTHORITY SECTION</span><span class="pun">:</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">             </span><span class="lit">172800</span><span class="pln">  IN      NS      ns4</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">             </span><span class="lit">172800</span><span class="pln">  IN      NS      ns3</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">             </span><span class="lit">172800</span><span class="pln">  IN      NS      ns5</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.;;</span><span class="pln"> ADDITIONAL SECTION</span><span class="pun">:</span><span class="pln">mx2</span><span class="pun">.</span><span class="pln">mail</span><span class="pun">.</span><span class="pln">aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">    </span><span class="lit">600</span><span class="pln">     IN      A       </span><span class="lit">110.75</span><span class="pun">.</span><span class="lit">48.150ns3.aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">         </span><span class="lit">432000</span><span class="pln">  IN      A       </span><span class="lit">42.120</span><span class="pun">.</span><span class="lit">250.251ns4.aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">         </span><span class="lit">432000</span><span class="pln">  IN      A       </span><span class="lit">110.75</span><span class="pun">.</span><span class="lit">20.27ns4.aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">         </span><span class="lit">432000</span><span class="pln">  IN      A       </span><span class="lit">140.205</span><span class="pun">.</span><span class="lit">71.248ns4.aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">         </span><span class="lit">432000</span><span class="pln">  IN      A       </span><span class="lit">42.156</span><span class="pun">.</span><span class="lit">241.248ns5.aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">         </span><span class="lit">432000</span><span class="pln">  IN      A       </span><span class="lit">198.11</span><span class="pun">.</span><span class="lit">138.248ns5.aliyun</span><span class="pun">.</span><span class="pln">com</span><span class="pun">.</span><span class="pln">         </span><span class="lit">432000</span><span class="pln">  IN      A       </span><span class="lit">140.205</span><span class="pun">.</span><span class="lit">2.187</span><span class="pun">;;</span><span class="pln"> </span><span class="typ">Query</span><span class="pln"> time</span><span class="pun">:</span><span class="pln"> </span><span class="lit">1</span><span class="pln"> msec</span><span class="pun">;;</span><span class="pln"> SERVER</span><span class="pun">:</span><span class="pln"> </span><span class="lit">10.242</span><span class="pun">.</span><span class="lit">197.247</span><span class="com">#53(10.242.197.247);; WHEN: Thu Jun  9 18:59:44 2016;; MSG SIZE  rcvd: 219</span></li>
 
</ol>

 

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