A Short Note On The Domain Name System Essay

But how does it work? The internet, based on the concept of “packet switching”, involves the travelling of small packets of data over one or more networks (Frenzel, 2013). This can be compared to “electronic postcards”, meaning that “a computer generates a piece of data and flings it into the net, just like the postal system, except 100 million times faster” (Cerf, 2013). This concept allows one computer to speak to many different computers around the network by sending out these “electronic postcards”. However, before these networks can work seamlessly together, they must use a common protocol, or set of rules for transmitting and receiving these packets of data. There are several protocols currently in use, including the OSI Model, the TCP/IP Model, UDP, HTTP, and FDP (Mitchell, 2014), but the most commonly used is Transmission Control Protocol/Internet Protocol (TCP/IP) (Gilmer, 2011). Even as early as 1977, TCP/IP was being used by other networks to link to ARPANET (Kozierok,

A hierarchical system of servers and services specifically designed to translate IP addresses into domain names (forward lookups) as well as the reverse (reverse lookups) is called:

DNS (Domain Name System) : used to translate the internet protocol services. Stand-alone daemon run by script named.

In order to first begin to create a website one needs not only come up with a name and logo, if they do not already have one, but also need to buy a domain name. The domain name can be bought from many different Host websites, such as GoDaddy and Network Solutions, and should be short and easy for people to remember and type. One is less likely to get traffic through their site if the domain name is hard to type and/or remember.

The Dynamic Host Control Protocol automatically assigns IP addresses to hosts on a network as they request them. DHCP packets also include information like DNS server addresses, domain names, and default gateways.

DNS stands for ‘Domain Name System’. It is an internet service that works like a

DNS- DNS stands for domain name server and is a network of servers that keep track of Internet Domain Names. Its main job is to authenticate and find domains. It translates IP Addresses into numbers, for example, 172.194.40.143 translates into

Domain Name System- The name of both a protocol and the system of actual DNS servers that exist in the world. In practice, DNS provides a way for the world to distribute the list of matching host name/IP address pair information, letting each company maintain its own naming information, but allowing the entire world to discover the IP address used by a particular host name, dynamically, using DNS protocols, so that any client can refer to a destination by name and send IP packets to that host.

The next step is to obtain the IP address from the domain name. This is performed by DNS. A DNS lookup, in a general sense, is the process by which a DNS record is returned from a DNS server. Interconnected computers, servers and smart phones need to know how to translate the email addresses and domain names people use into meaningful numerical addresses. A DNS lookup performs this function.

The Internet is, quite literally, a network of networks. It is comprised of ten thousands of interconnected networks spanning the globe. The computers that form the Internet range from huge mainframes in research establishments to modest PCs in people's homes and offices. Despite the recent hype, the Internet is not a new phenomenon. Its roots lie in a collection of computers that were linked together in the 1970s to form the US Department of Defense's communications systems. Fearing the consequences of nuclear attack, there was no central computer holding vast amounts of data, rather the information was dispersed across thousands of machines. A set of rules, of protocols, known as TCP/IP was

It was three days of intense exercise and note-taking that focused on restoring motor control patterns we are born with. The purpose of DNS is to take us back to basics. Back to the days before we started sitting at a desk hunched over for 8 hours a day. Back to

The TCP/IP protocols are the heart and soul of the Internet, and they describe the fundamental rules that govern all communications in the network. The original address system of the Internet is Internet Protocol version 4 (IPv4). The Internet Engineering Task Force (IETF) developed IPv6 to deal with the long-anticipated problem of IPv4 address exhaustion. However, IPv6 is not foreseen to supplant IPv4 instantaneously.

P1: The first method in network addressing is, Fully Qualified Domain Name which is known as FQDN for short. FQDN is used as the domain name for a specific host or computer name on the internet. FQDN consists of two main parts, the domain name and the hostname. For example, Belfast Met is the hostname, but the domain name is belfastmet.ac.uk.

The Domain Name System is most often described as the Internet’s phone book or address book. All of us Internet users use it on daily basis without even realizing it. Its basic task is to convert human-readable website name like coursera.org into its computer-readable numerical IP address like 107.21.240.231.Since such strings of numbers are difficult for humans to memorize, DNS allows you to assign a domain name, such as facebook.com to you IP address. So, the domain name is simply an address on the Internet. It has to be unique just like physical address or phone number.

The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite (TCP/IP) to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks, of local to global scope, that are linked by a broad array of electronic, wireless and optical networking technologies. The Internet carries a vast range of information resources and services, such as the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support electronic mail.