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The article explains how the Domain Name System works, describes the hierarchical structure of DNS including root, top‑level, and authoritative servers, and argues that even if root servers were blocked a nation would not disappear from the Internet because of distributed mirrors and anycast technology.
This article explains what DNS root servers are, how they function in the hierarchical name‑resolution process, why there are only thirteen IPv4 root addresses, where they are located worldwide—including China’s nodes—and lists common public DNS services for both IPv4 and IPv6.
The Ministry of Industry and Information Technology approved the establishment of four DNS root server mirrors in China, outlining strict operational, security, and reporting requirements while highlighting the broader context of the nation’s IPv6 "Snowman" initiative and its impact on global internet governance.