| Domain name is the name of a web site which exists | | | | Each domain name has an extension like.com,.org,.edu |
| in the World Wide Web. We can visit this web-site or | | | | etc. know as Top Level Domain (TLD) or Generic |
| see its contents in a browser. Each web-site has a | | | | Top Level Domain (gTLD). There is also another two |
| unique name which helps in identifying it uniquely from | | | | character extension like.us,.uk,.in which is known as |
| other web sites on the internet. This name cannot | | | | ccTLD or Country Code Top Level Domain. |
| contain especial characters like %, &, * etc. | | | | Domain names are internally represented as a |
| Characters in any valid domain name can be | | | | numeric value called IP addresses which are too |
| Letters: a-z | | | | difficult to learn or remember. The process of linking |
| Numbers: 0-9 and | | | | this numeric value into character string is called |
| Hypen "-" | | | | Domain Name System. This Domain Name system |
| Maximum length of a domain name is 67 characters | | | | translates the name of your registered Domain Name |
| only inclusive of top level domain name. Hyphen "-" | | | | or web site to its IP address. |
| cannot be the first or last character. Domain names | | | | Registering domain name does not mean you have a |
| are not case sensitive i.e. you can use 'A' or 'a' and | | | | web-site or a space for uploading a web site. |
| both are equally treated. | | | | Registration is simply holding a name for your web |
| A domain name has to be registered before it | | | | site. In order to upload web site or create pages for |
| becomes available for use. Registration cannot be for | | | | your site you will need a hosting service which will |
| a period less than one year or more than ten years. | | | | provide you space for your web pages. Once you |
| It takes another two or three days after registration | | | | get a hosting service you can then point your Domain |
| for domain name to propagate through all servers of | | | | Name to that host. Your host will provide you with |
| World Wide Web. ICANN (Internet Corporation for | | | | two or more numeric string called primary DNS |
| Assigned Names and Numbers) is the organization | | | | (Domain Name Server) and secondary DNS which are |
| which manages this DNS system. Details of any | | | | to be used for the purpose of pointing your Domain |
| registered domain name (whois) can be searched at | | | | Name towards your host. Your hosting service may |
| interNIC, ccTLD domains can be searched at uwhois. | | | | or may not provide you site designing service. |