The Story Behind DNS

THE STORY BEHIND DNs Long before the Internet went massive, site domain names did not exist, in fact whenever you wanted to visit a website, you needed to remember it's IP ADDRESS NUMBER to actually get there IP: 202.364.24.12 IP: 173.194.39.78 IP:522.146.57.12 IP: 102.454.32.08 IP: 173.194.39.78 Where am 1?!! IP: 173.194.39.78 IP: 202.364.24.12 IP: 102.454.32.08 HOW WAS THIS SOL VED? Well, IP number's still exist, though DNS made it all easier DNS to the rescue DNS DNS helped translate complex IP addresses into human-friendly domain names. Whether you're accessing a website or sending an email, your computer uses a DNS server to look up the domain name you're trying to access. Go that way! DNS ?) LET'SGET A BIT MORETECHNICAL HELLO O Your Device asks your ISP for a DNS record. 4 Your ISP asks the Nameserver for a DNS record. 2 Your ISP asks the Root Server for the Nameserver. 5 The Nameserver gives your ISP the DNS record. The Root Server gives your ISP the Nameserver. Your ISP returns a DNS answer. CONCLUSION? DNS is your 'computer's GPS' for the Internet. Try typing 54.194.37.252 on your 'address bar' and see where that takes you. internet.com nternet.com JERNET NEWS O Sources: h ttp://en.wikipedia.org/wiki/Do main_Name System http://computer.howstuffwarks.com/dns. htm http://www.howto geek.com/122845/htg-explains-what- is-dns/ http://www.racka id.com/blog/help- understanding-dns-lookups-an- infographic/ internet.com Copyright 2014