Also of important consideration for a successful domain name registration is the awareness that a domain name may contain letters, numbers, and hyphen. Most of the domain names registered today end in the above top level domains, of which .com is the most well-known. Before a domain name registration, you should refresh your mind that a domain name cannot start or end with a hyphen, and no space is permitted before, between, and after your domain. You should then be aware of the types of the domain name extensions or top level domain names and also its uses for you to pick up the right one. With such given facts, maybe one of the wise moves in choosing a website domain name is to choose those website domain names that are not applied by any other company with another extension. Determining the Domain Name Value Today, as the domain name industry continues to grow, you will definitely find several companies that are offering their domain name appraisal services to assess your domain name value. Some of those companies who wanted to assess your domain name value offer such service for free with the use of an automated "valuation wizard" approach, and others are offering it with charge for a more personalized valuation. So, if such happens it might have to pay a huge sum to the new owner to get it back. For particular mention, one of the reports has shown an example that the Business.com domain name was sold for $7.5 million. Today, there are so many companies on the web that offer domain name auctions to those who wish to own a domain name. Such case is so common for many people, and in fact, many experts have recommended that we really do some changes on the registered domain names. Well, for that matter, I will be dealing mainly about how to change the registered Domain Name System information and some facts that go behind such transformations. In terms of a country by country basis, the common domain name extensions are based on the two-character ISO country codes and this is for the main reason that many countries offered these kinds of domain name extensions. Among such kind of domain name extensions is the .fr for France, .jp for Japan, and so on and so forth.