What is DNS? Introduction to Domain Name System. SXSW giveaway!

Fasthosts Techie Test competition is now closed! Learn more about Fasthosts here: What is DNS (Domain Name System)? How does DNS actually work? This video shows you practical examples of DNS in real time and includes Wireshark captures showing you actual DNS query and answer messages. ====================== Giveaways: ====================== SXSW Trip: Wireshark Course: See hidden link in video SDN Course: See hidden link in video Linux Course: See hidden link in video ====================== Menu: ====================== What does DNS do? 00:00 Why do we use DNS? 2:10 Analogy of DNS: 4:00 SXSW: 5:25 Practical DNS: 7:30 Lab: 8:20 Wireshark capture of DNS: 9:50 Edit Windows host file: 15:45 Use a Cisco router as a DNS server: 18:22 nslookup IPv4 / IPv6: 23:09 Rogue DNS example: 24:35 Ubuntu DNS server setup (dnsmasq): 25:47 ===================