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

URL / Domain:
Chinese Firewall Test results for facebook.com
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Expected value of DNS A records:
157.240.18.35

LocationLookup ResultStatus
Beijing69.171.234.29fail
Shenzhen69.171.234.29fail
Inner Mongolia69.171.234.29fail
Heilongjiang Province69.171.234.29fail
Yunnan Province69.171.234.29fail

No servers were able to reach your site on the correct IP address. This means that any URL's on this host are most likely NOT accessible from within mainland China.