Generic top-level domains (gTLDs) are one of the categories of top-level domains (TLDs) maintained by the Internet Assigned Numbers Authority (IANA) for use in the Domain Name System of the Internet. A top-level domain is the last level of every fully qualified domain name. They are called generic for historical reasons; initially, they were contrasted with country-specific TLDs in RFC 920. The co
![Generic top-level domain - Wikipedia](https://cdn-ak-scissors.b.st-hatena.com/image/square/d882d9d97a001d12c581006c526ea33206496e74/height=288;version=1;width=512/https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2F5%2F53%2FDomain_Examples.jpg)