Because 9xmovies operates in a legal grey area (and often blatantly illegal area), internet service providers (ISPs) are ordered by courts to block access to the site. To circumvent this, the operators use a technique called "domain hopping." When one domain (like 9xmovies.com) is blocked, they simply shift the content to a new domain extension (like .net, .org, .biz, or .wang).
One name that frequently pops up in this conversation is . 9xmovies wang
You may have noticed that even after the government bans a site, a new one appears the next day. This is due to the of the internet. Here is how they survive: Because 9xmovies operates in a legal grey area