How to configure Domain Name System (DNS) in Win2003

We all know that when we need to find a website on the Internet, for example, to find the system, we usually input the website: www.xitong8.com, in fact, this is a domain name, and the computer on our computer network. Only IP addresses can be used to identify each other. This article describes how to configure the “Domain Name System” (DNS) server to host a Web site that can be accessed externally (that is, accessed from the Internet).

What is Domain Name System (DNS)?

The Domain Name System is used to name computers and network services organized into domain hierarchies. There is a one-to-one correspondence between domain names and IP addresses on the Internet. Although domain names are easy for people to remember, machines can only know each other's IP addresses. The conversion between them is called domain name resolution. Domain name resolution requires a special domain name. DNS server is the server that performs domain name resolution.

How to Obtain an IP Address

To host a web site that can be accessed externally, you must obtain a public IP address from your Internet Service Provider (ISP). And assign this IP address to the external interface of the firewall or router to which the DNS server is connected.

How to Register a Domain Name

Register an parent or secondary DNS domain name for your organization through an Internet domain registrar. You can register your domain name by following these steps:

1) Search and confirm that the name you want to register is available.

2) Provide contact information and payment information (including email address) for this account.

3) Type the fully qualified domain name (FQDN) of the master and slave DNS servers.

How to create a DNS entry for a web server

If you have not installed a web server, you need to install and configure Microsoft Internet Information Services (IIS)

for a DNS server configured with IIS Create an alias or CNAME record. The creation method is:

1) Open the DNS snap-in: Click "Start", point to "Administrative Tools", and then click "DNS".

2) Under DNS, expand “hostname" (hostname is the hostname of the DNS server).

3) Expand the forward search area. Under the forward lookup zone, right-click the desired zone (com) and click New Alias ​​(CNAME).

4) In the "alias" box, type www.

5) In the "Full qualified name of the target host" box, type the fully qualified host name of the DNS server where IIS is installed. For example, type dns.domain.com and click OK.

The above is the specific step of how to configure the "Domain Name System" (DNS) server, from the introduction of what is the domain name system, to the specific creation of configuration steps, I believe that everyone now knows the above Content, then we can access the web site from outside.