On the basis of analyzing Domain Name System theories in IPv4 and IPv6 network, this paper researches on dual-stack Domain Name System server, and presents relevant domain name management polices and instance of the A6 record implementation.

• 在分析IPv4和IPv6域名系统理论的基础上,研究了IPv4/IPv6双栈域名服务器,并给出了相应的域名管理策略及A6记录实现实例。