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Chinese Firewall Test



Checks whether a site is blocked by the Great Firewall of China. This test checks across a number of servers from various locations in mainland China to determine if access to the site provided is possible from behind the Great Firewall of China.

This test checks for symptoms of DNS poisoning, one of the more common methods used by the Chinese government to block access to websites.
Top 10 tested domains:
   1. facebook.com
   2. wikileaks.ch
   3. youtube.com
   4. twitter.com
   5. google.com
   6. gmail.com
   7. cnn.com
   8. wikipedia.org
   9. dropbox.com
   10. yahoo.com

Domain (e.g. domain.com):

Chinese firewall test results for cnn.com
==============

Expected value of DNS A records:
157.166.226.25
157.166.226.26


LocationLookup ResultStatus
Beijing 157.166.226.25
157.166.226.26
ok
Shenzhen 157.166.226.25
157.166.226.26
ok
Inner Mongolia 157.166.226.25
157.166.226.26
ok
Heilongjiang Province 157.166.226.25
157.166.226.26
ok
Yunnan Province157.166.226.25
157.166.226.26
ok

All servers were able to reach your site. This means that your site should be accessible from within mainland China.





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