1. A new internet age, censorship
Domain Name System Blacklisting
A new internet age, censorship

2. What is the Domain Name System?
Website
Address
Google
BBC
Ebay
Yahoo
[Correct on December 2011]

3. What is the Domain Name System?
Website
Address
Domain Name
Google
google.com
BBC
bbc.co.uk
Ebay
ebay.co.uk
Yahoo
yahoo.com
[Correct on December 2011]

4. What is the Domain Name System?
Internet Service Provider
Root
Domain Namespace
Name server
Internet User

5. How is censorship related?
Website
Address
Domain Name
Google
google.com
BBC
bbc.co.uk
Ebay
ebay.co.uk
Yahoo
yahoo.com
Example
example.com

6. Where is censorship used?

7. Max length =63 Cannot start or end with a symbol
Is the DNS big enough?
label
Max length =63 Cannot start or end with a symbol
16.92x1096
domain
280 TLDs
x 280 .
4.737x1099

8. Is the DNS big enough? 59.987.436.980 IPv4 can represent 4x109
4.737x1099 Domain names
76E4:3A80:BC17:350A:6532:BC5F:0094:34D6
IPv6 can represent 18x1018

9. What’s next?

10. References
Internet Corporation For Assigned Names and Numbers. (13-August-2010). 'What Does ICANN Do?'. Retrieved from ICCAN
British Broadcasting Corp. (7-March-2007). 'Turkish court bans YouTube access'. Retrieved from
Robert Tait for The Guardian. (26-August-2008). 'Turkish court lifts YouTube ban after online censorship protest'. Retrieved from
Hürriyet Daily News. (15-May-2011). 'Thousands rally against web censorship in Turkey'. Retrieved from chanted-thousands

11. British Broadcasting Company. (26-October-2011)
British Broadcasting Company. (26-October-2011). 'BT given 14 days to block access to Newzbin'. Retrieved from
Mr Smith of Texas. (26-October-2011). 'To promote prosperity, creativity, entrepreneurship, and innovation by combating the theft of U.S. property, and for other purposes'. Retrieved from
Julianne Pepitone for CNN Money. (16-November-2011). 'Tech giants say SOPA piracy bill is 'draconian''. Retrieved from
Fight for the Future. (November-2011). 'Call to Stop SOPA and PROTECT IP'. Retrieved from
Kim Davies for ICANN. (March-2009). ‘How many top-level domains are there?’. Retrieved from