| Nameservers are the Internet's equivalent to phone | | | | want to use their system to register nameservers. |
| books. A nameserver maintains a directory of domain | | | | WHOIS is a central database which tracks domains |
| names that match certain IP addresses (computers). | | | | and IP registrations and lists the owner contact email, |
| A Domain is the part of the URL that locates a group | | | | phone number and address. |
| or entity on the Internet. | | | | A Whois listing contains information associated with a |
| A Name Server is a host or computer server that | | | | domain name, such as its creation and expiration |
| has the software and the data (zone files) necessary | | | | dates, the registrar of record, and various contacts |
| to resolve domain names to Internet Protocol (IP) | | | | (administrative, technical, etc.). Whois data is collected |
| numbers. Domain names require a minimum of two | | | | when a domain name is registered and is public |
| name servers hosted on separate networks. | | | | information. |
| The information from all the nameservers across the | | | | The Whois information appears whenever a person |
| Internet is gathered in a central registry. A Registry is | | | | conducts a Whois search on a particular domain |
| a database associating DNS information with an | | | | name. Unless you use a proxy service. |
| individual, a legal entity or operational entity. | | | | The second-level domain is the readable part of the |
| This makes it possible for visitors to access your | | | | domain name that is located immediately to the left |
| Web site using a familiar domain name, instead of | | | | of the dot. For example, the second-level domain in is |
| having to remember a series of numbers. | | | | "coolexample." You define the second-level domain |
| Nameservers on other networks can access | | | | when you register most domains. |
| information at the central registry up to 8 hours after | | | | However, there are some registries that restrict the |
| registering .COM and .NET domains and up to 48 | | | | second-level domain, such as .UK domains. Domains |
| hours for all other domain extensions. This period is | | | | with this extension must include .CO. For example, |
| referred to as the propagation period. Propagation is | | | | coolexample.co.uk. |
| the time frame a process undergoes while the | | | | Second-level domains can be divided into further |
| request or modification is being completed. | | | | domain levels (for example, [ These subdomains |
| The nameserver you use depends on where you set | | | | sometimes represent different computer servers |
| up your hosting account. Hosting is the storage space | | | | within departments, but they can be created for any |
| or capacity for a Web site on the Internet. An | | | | purpose. More than one second-level domain name |
| example of nameservers are and | | | | can be used for the same IP address. An IP Address |
| Some registrar's (a registrar has access to a domain | | | | is a set of numbers divided by periods that specifies |
| registry and the ability to provide domain names to | | | | a location for the TCP/IP Protocol. |
| individuals and companies) require that domain names | | | | Hopefully this information helps when you're choosing |
| you buy must be registered through them if you | | | | domain names to buy. |