From gbhackers.com
The Great Firewall is an alliance of different authoritative activities as well as technologies that are administered by the People’s Republic of China to control and improve the internet regionally.
However, the main goal of the Great Firewall in internet censorship in China is generally to block access to decided foreign websites and to reduce cross-border internet traffic.
According to the report, GFWatch obtains domains from inside as well as from outside China’s internet space. Once it’s done with the domain soon it measures that how the Great Firewall (GFW) would interfere with the attachment at the DNS level so that it can stop Chinese users from obtaining a domain.