Trademark domain name refers to ".trademark", also known as Internet trademark. The Internet Corporation for Assigned Names and Numbers is the only global top-level domain name with ".trademark" as the suffix recognized by the Internet Corporation for Assigned Names and Numbers. The trademark domain name is ".trademark". "Trademark" is a distinctive sign on the Internet used to identify a certain product, service or a specific individual, enterprise or organization related to it.

With the introduction of the global generic top-level domain name with the suffix ".trademark", a distinctive mark used to identify a certain product, service or specific individual, enterprise or organization related to it on the global Internet, a trademark Effectively combined with the domain name, the global generic top-level domain name ".trademark" (trademark domain name) with obvious and strong intellectual property brand and trademark logo is officially included in the global Internet domain name system.