Please note that you may not find detailed description on many things since the seminar was meant to be delivered orally and the slides were just meant to be a visual device. Enjoy!

1. DNS
DOMAIN NAME SYSTEM
NAME SYSTEMBy Lijo George

2. WHY DOES ANYONE
NEED DNS ?

3. BROWSING WITH DNS
BROWSING W/O DNS

4. HISTORY

5. HOST NAME RESOLUTION

6. HOST NAME RESOLUTION

7. DDNS ARCHITECTURE

8. FQDN

9. ROOT NAME SERVERS
A - VeriSign Global Registry Services
B - Information Sciences Institute
C - Cogent Communications
D - University of Maryland
E - NASA Ames Research Center
F - Internet Systems Consortium, Inc.
G - U.S. DOD Network Information Center
H - U.S. Army Research Lab
I - Autonomica/NORDUnet
J - VeriSign Global Registry Services
K - RIPE NCC
L - ICANN
M - WIDE Project

10. TLDs

11. PRIVATE DOMAINS

12. DNS QUERY

13. DNS RESOLUTION PROCESS

14. SAMPLE RESOLUTION

15. CACHING

16. DNS RESOLVER CACHE

17. DNS SERVER CACHE

18. DNS ZONES

19. TTL

20. DNS RECORDS

21. DNS RECORDS

22. DNS RECORDS

23. DNS RECORDS

24. ONLINE TOOLS