Internet Domain Names
Upcoming SlideShare
Loading in...5
×
 

Internet Domain Names

on

  • 327 views

A description of Internet Domains - what they are and how they work.

A description of Internet Domains - what they are and how they work.

Statistics

Views

Total Views
327
Views on SlideShare
327
Embed Views
0

Actions

Likes
0
Downloads
6
Comments
0

0 Embeds 0

No embeds

Accessibility

Upload Details

Uploaded via as Microsoft PowerPoint

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment
  • .

Internet Domain Names Internet Domain Names Presentation Transcript

  • Part 3: Domain Name Reem AbuZayedh CIS 1203 Web Technologies
  • Keywords 1. URL 2. Domain Name 3. IP address 4. Domain Name System 5. Organization code 6. Country code
  • Objectives 1. What is URL 2. Domain Name and IP Address 3. What is Domain Name System DNS? 4. Browser and DNS 5. Parts of Domain Name 6. Organization code 7. Country code
  • 1- URL  URL: Uniform Resource Locator  URL: stands for the address of a website.  Example: The URL of Albayan newspaper is: http://www.albayan.ae/alainfootball.pdf
  • 2- Domain Name and IP Address  Each Web server has a unique IP address and a domain name. URL: http://www.google.com Domain Name of the web server: google.com IP Address of the web server:
  • 3- Domain Name System DNS (1/2)  It is hard for us to remember numbers (IP Address 209.85.148.104) but it is easier for us to remember names (Domain name google.com)!  DNS helps in this! You don’t have to memorize all IP Addresses of your favorite websites!
  • 3- Domain Name System DNS (2/2)  Domain Name System DNS: DNS Server links google.com to the IP Address 209.85.148.104
  • 4- Browser and DNS (1/2) 1. When you type a URL, on the browser, for example: http://www.emaratalyoum.com/sports 2. The browser breaks the URL (address) into 3 parts: 1. Protocol: http 2. Domain name: emaratalyoum.com 3. The resource/webpage name (optional) : sports 3. See the next slide to know how the browser uses the domain name emaratalyoum.com
  • 4- Browser and DNS (2/2) 208.43.117.197 Emaratalyoum Server You DNS Server 1 2 3 4 1- The browser asks DNS server about IP address of emaratalyoum.com 2- DNS server returns the IP address 208.43.117.197 3- The browser requests to view the content of 208.43.117.197 4- Server accepts and browser views the website. Copy of Sports webpage
  • 5- Parts of Domain Name  As you know form slide 7, the below URL contains 3 parts: https://www.hct.ac.ae/students  3 parts of the Domain name : 1. Organization name: hct 2. Organization code: ac (academic) 3. Country code: ae (Arab Emirates)  Some domain names contain only organization code, for example: microsft.com why? Protocol Domain Name Resourc e
  • 6- Organization code OrganizationName Academic.ac educational.edu company.co commercial.com governmental.gov information.info US military.mil business.biz
  • 7- Country Code CountryName United Arab Emirates.ae Australia.au South Africa???????? Canada.ca Germany.de Spain.es Ireland.ie Italy.it Kuwait.kw Oman.om Qatar.qa Saudi Arabia.sa United Kingdom.uk United States of America.us
  • Additional
  • The subnet mask signifies which part of the IP address is network and which part is host. Subnet Mask Default Gateway: The default gateway address is the address of the router interface connected to the same local network as the source host The IP address is a logical network address that identifies a particular Computer IP Address