Running Head: DOMAIN NAME SERVERS AND INTERNET PROROCOL

Domain Name Servers and Internet Protocol

Awaz Barwari

Kaplan University

Abstract

Domain Name System (DNS) is central to the Internet and networking. It converts the host name into an Internet Protocol (IP) addresses. Domain names are in alphabetic form easy for human to remember. Nonetheless, the World Wide Web (WWW) is run based on IP addresses. Therefore, without the DNS the internet would be very difficult to access. Today, there are two versions of IP 4 and 6 that use DNS. With the growing number of devices with internet IP address, IPv4 is running out of addresses and will eventually be replaced by IPv6. But until then, it is important to understand the many similarities and contrast between both versions.
Domain Name Servers and Internet Protocol The core of how the internet works is the DNS, which was created to simplify the unmanageable computer naming. Thus, allowing us to use a more human friendly host name while exchanging email or accessing web pages. An IP address is a numerical label assigned by the Internet Assigned Numbers Authority (IANA) to every host in order to communicate. (Gralla, 2006). The DNS will translate host name like www.google.com into a raw IP address number 173.194.40.197. DNS structure is a hierarchical distributed database. At the top level there is a root server. Many categories were created under the root called the top level domains: .Com, .Net, .Org, .Mil, .Edu, .Gov, and .Int. When a client device requests a communication with a host like www.google.com, the DNS client uses a resolver to convert the host name into an IP address. First, the DNS will send a request to the root servers for the specify domain, in this example it is a “.com” domain address. Second, the DNS will query the specify domain to get the authoritative name servers