数据结构课程设计作业，因特网域名查询系统，利用二叉树实现的-Data Structure course design work, the Internet domain name query system, using a binary tree implementation

具有在线IP地址，国内排名，Alexa世界排名，Google PageRank，搜狗评级，搜索引擎收录，反向链接，域名Whois，服务器状态等查询功能。可以实时记录查询历史记录。-Online IP address with the domestic ranking, Alexa ranking, Google PageRank, Sogou rating, your search engine, backlinks, domain name Whois, server status, and