域名的概念与机制[17]

[入库:2005年9月21日] [更新:2007年3月24日]

本文简介:

|              |                         A     10.0.0.51           
|              |                         MX    0 SRI-NIC.ARPA.     
|              |                         HINFO DEC-2060 TOPS20     
|              +---------------------------------------------------+
   Authority  | <empty>                                           
|              +---------------------------------------------------+
   Additional | <empty>                                           
|              +---------------------------------------------------+
如果相同的查询发到两个非SRI-NIC.ARPA区中的非认证性质的服务器,响应如下:
              +---------------------------------------------------+
   Header     | OPCODE=SQUERY, RESPONSE                           
|              +---------------------------------------------------+
   Question   | QNAME=SRI-NIC.ARPA., QCLASS=IN, QTYPE=*           
|              +---------------------------------------------------+
   Answer     | SRI-NIC.ARPA. 12345 IN     A       26.0.0.73      
|              |                            A       10.0.0.51      
|              +---------------------------------------------------+
   Authority  | <empty>                                           
|              +---------------------------------------------------+
   Additional | <empty>                                           
|              +---------------------------------------------------+

              +---------------------------------------------------+

本文关键:域名的概念与机制
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