They are known as the "Big 3" for the reason that these domain name extensions are accessible to anyone, without restrictions, and are widely known throughout the cosmos. The second type of the top-level domain names are the Country-level top domains. It is noted that these types are generally under government control, with the purpose of adding level of toughness and stability that a third party might find tough to level. In case if there are requests for domain names, such groups then communicate with the respective Registry to make certain whether the requested domain name is available for purchase or already owned by another party. So it is understandable that if the requested domain name is available, the consumer is able to register the domain. So when you receive a note from the domain name registrar that you have an expired domain name and you still want to renew such expired domain name, you should then know the basic process that the domain names go through when they are noted as "expired domain names" and on their way to deletion from the registry. edu for educational institutions and universities; .gov which is reserved for United States government agencies; .info for all applications; .int for organizations that were established by international treaties; and .mil for United States military. But aside from such mentioned domain name suffixes, here comes another domain name suffixes which are also of great use, and these are the . It is a common note that many of them just purchased a domain name for the purpose of reselling it. Most of the domain name holders sell a domain name after finding that it has no use for them, or perhaps when the third party shows some interest in buying it. Given such fact, it is then a nice move if you have certain desire to sell a domain name that prior to getting down to the hard work that is necessary to sell a domain name, you know how to place some sorts of value on your domain name. Interestingly, their domain name lookup engine will find domain information for over 10 domain extensions and these include the .com, .net, .org, .us, .tv and .co.uk. And if the requested domain name is already taken, you will be given a chance to view the domain record, but if the domain name is available, then you have the chance to register the name or look up for another name.