Can the US Shut Down .cn Domains? Inside DNS Root Servers and Their Defenses

The article explains how the DNS system works, why there are only 13 logical root servers, how anycast and global mirrors keep the system resilient, and evaluates the realistic risk of a nation‑state like the United States tampering with root zone data, especially for Chinese .cn domains.

AnycastDNSICANN

0 likes · 22 min read

Can the US Shut Down .cn Domains? Inside DNS Root Servers and Their Defenses

ITPUB

Aug 23, 2020 · Information Security

Can the US Really Shut Down .cn Websites? Inside DNS Root Server Mechanics

The article explains how DNS works, why there are only 13 logical root servers, how anycast distributes thousands of physical servers worldwide, the historical control the US has over most root servers, and what technical and policy measures China can use to protect its .cn domain from potential censorship.

AnycastCensorshipDNS

0 likes · 20 min read

Can the US Really Shut Down .cn Websites? Inside DNS Root Server Mechanics

ITPUB

Aug 22, 2020 · Fundamentals

Can the US Pull the Plug on .cn Domains? A Deep Dive into DNS Root Servers

The article explains how DNS works, why there are only 13 logical root servers, how anycast and mirror servers provide resilience, recounts historical cases of domain shutdowns, examines US control over root zones, and discusses mitigation strategies for protecting national domains.

AnycastDNSInternet Governance

0 likes · 24 min read

Can the US Pull the Plug on .cn Domains? A Deep Dive into DNS Root Servers