There are various root servers located all over the world that point to the appropriate downstream name servers. If the ISP doesn't already know, it can determine which name server need to be asked for a given part of the domain name, beginning with asking a root server. UK), also known as the top-level domain (TLD). The selection of which registry operator is to be queried each time depends on the trailing part of the domain (e.g.COM. Your computer can now connect to the computer that will serve up the ICANN homepage. ![]() ![]() One of those name servers is then contacted and will return the IP address for that domain name. For example, if you type into a browser, your ISP will query the name servers starting from the hard coded root servers to find out which name servers are associated to that domain name. Registries also maintain another vital system, the authoritative name servers, which hold the key to where a website is located.
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