China Internet Network Information Center (abbreviated as CNNIC) is an administration and service organization set up on June 3, 1997 upon the approval of the competent authority and undertakes the responsibilities as the national Internet network information center. In light of the policies of "providing efficient and application-oriented services through secure & stable Internet infrastructure for public interests”, CNNIC, as an important constructor, operator and administrator of infrastructure in Chinese information society, is responsible for operation, administration and services of fundamental Internet resources, undertakes R&D and security work of fundamental Internet resources, conducts research on Internet development and provides consultancy, and promotes the cooperation and technological exchange of global Internet in an effort to become a world-class network information center. Main responsibilities of CNNIC: Operation, Administration and Service organization of national network fundamental resources. CNNIC is a registry of domain names and root zone operator. It operates and administers country code top level domain of .CN and Chinese domain name system, and provides 24-hour services of domain name registration and resolution as well as WHOIS lookup for worldwide users with its professional technologies. Research, Development and Security center of national network fundamental resources. CNNIC constructs a world-leading, efficient and safe & stable service platform for fundamental network resources. It provides multi-level and multi-mode not-for-profit services for fundamental network resources, and seeks to make a breakthrough in the core competence of fundamental network resources and self-developed devices and softwares so as to improve the reliability, security and stability of China’s system of fundamental network resources. Research and consulting services driving force for Internet development. CNNIC is responsible for conducting surveys about the Internet including survey on the development status of China’s Internet, and it gives a description of the macroscopic picture of the development status of China’s Internet and records its development faithfully. CNNIC will continue to beef up its support for the research of government policies on one hand and provide not-for-profit research and consulting services for Internet development for enterprises, users and research institutes on the other hand. Platform for Internet open cooperation and technical exchange. CNNIC tracks the latest development of Internet policies and technologies and has business coordination and cooperation with relevant international organizations and the Internet network information centers in other countries and regions. CNNIC hosts important international conferences and activities concerning the Internet, and creates an open research environment and platform for international exchange and sharing. It promotes the application of scientific research achievements and development of China’s Internet.