Domain names are not the same as trademarks. Trademark registration gives you the exclusive right to use this trademark in Sint Maarten.
A domain name registration does not give you any exclusive right. In effect, it is nothing more or less than a kind of address, comparable to a telephone number, to identify a site on the World Wide Web (Internet). You have to register to acquire this address. There are a variety of domain name extensions such as .sx, .nl, (national extensions), or .com, .eu or .net.