摘要
DNS是因特网上主机之间相互通信的基础,它提供了一个域名和IP地址之间的映射关系。这篇文章介绍了DNS的工作原理,使用nslookup程序探究了在WIFI共享大师环境下、SNNU无线上网环境下和PPPOE拨号上网环境下DNS的A类查询结果并与在浏览器访问百度时的DNS查询结果作以比较,总结了这几种情况下查询的异同。
DNS is the basis for communication between hosts on the Internet. It provides a mapping between a domain name and an IP address. This article describes the working principle of DNS, to explore the results of a DNS query named A in the WIFI shared master environment, SNNU wireless Internet environment and PPPOE dial-up Internet environment and to compare the DNS query results with using browser to visit Baidu. It summed up the similarities and differences between the several DNS queries.
作者
惠嘉荣
胡曦明
HUI Jia - Rong1 , HU Xi-ming 1,2 （1 .College of Computer Science, Shaanxi Normal University,Xi＇an 710119, China; 2.Key Laboratory of Modern Teaching Tech- nology, Ministry of Education, Xi＇an 710119, China）
出处
《电脑知识与技术》
2017年第6期33-34,40,共3页
Computer Knowledge and Technology
基金
中央高校基本科研业务费专项资金资助项目（GK201503065）,现代教学技术教育部重点实验室开放课题资助项目（SYSK2015（11）,陕西师范大学非师范拔尖创新人才培养计划2017年度项目
