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Top-level domains are the letters after the dot, like .com, .uk, .biz, or .mobi. Since 2003, hundreds of new top-level domains have come onto the market, and there has never been more choice for domain name registrants. But apart from choosing a name that sounds right and is easy to remember, a domain name registrant should also consider the policies of the registry that operates the domain, and those of the registrar that sells it to them.
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avoid registering in a top-level domain that offers special rights and procedures to brand owners, that could result in your domain name being wrongly taken away or could embroil you in dispute settlement proceedings.
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we draw attention to the policies of registries Donuts and Radix that have established private deals with the Motion Picture Association of America (MPAA) appointing it as a "trusted notifier" to initiate a registry-level take down of websites that it claims are engaged in extensive copyright infringement.
Source - https://www.eff.org/deeplinks/2017/07/how-threats-against-domain-names-used-censor-content
Whitepaper - https://www.eff.org/files/2017/07/26/domain_registry_whitepaper.pdf