Therefore in changing registered Domain Name Server information, the domain name will resolve with the average of 50 percent of the period to the primary name server and also 50 percent of the period to the secondary name server. There are further resources which state that if ever that you have an Internet Protocol address of your hosting server, it is better that in changing your registered domain name, you use the URL-forwarding service which is now offered by most domain name companies. It is noted that there are several various domain name extensions that are available right now and each of those domain names extensions has their own distinctions and functions. When it comes to business matters, most of the published resources for domain name suggestions maintained that the .com suffix is the most common and the most profitable. The whois database maintained by the domain name registrars that list contact information about all the domain names issued by the registrar then serves as a major vehicle for knowing who owns domain names. And fortunately, this vehicle for determining who owns domain names is now available on the web and is open to be searched. It I interesting to know that in registering for the dot uk domain name and some other ccTLDs, there are certain rules and policies that largely vary significantly and some of those rules and policies are reserved for use by citizens of the corresponding country. It is further considered that there are various spaces within the dot uk domain names. Given such fact, it is interesting to know that the domain name is understood as string of letters or numbers that is used to describe an IP address. This is the primary function of the domain name in the field of the internet. So, since the domain name and IP address are somewhat connected, I will be using the term "domain name IP address" in this article's sense. Given such truth behind the world of the domain names, I have presented a few of the available sites on the web today that provide domain name lookup services for the domain name lovers. So read on. Domain Name Lookup Services at IGoldRush.com IGoldRush.com is such a great place for domain name lookup that it really devised its own domain name lookup engine for the users to check the availability of a certain domain name.