Percy Alpha, an independent Internet freedom researcher and co-founder of GreatFire.org, observes that all Google search domains have been subjected to DNS poisoning on March 29th, two days after Google became temporarily unblocked within the Great Firewall. The attack is believed to be a deliberate move by Chinese censors to prevent similar lapses from reoccurring in the future.
On March 29, all of Google search domains are DNS poisoned. Google has been blocked in
March 30, 2016