The Turkish Government ordered to Turk Telekom to hijack the IP address for popular free and open DNS providers such as Googles 8.8.88.9. Turkish Government decided to ban Twitter after the diffusion of an audio clip about the corruption of Turkey Prime Minister Erdoan through YouTube and Twitter. The Government is under the illusion that censoring the media will be able to suppress the thought of those who disagree. The decision to apply a censorship acting via the DNS of the national ISP was very stupid, because population started using Google’s DNS service.”]
Source: https://securityaffairs.co/wordpress/23565/intelligence/turkish-government-hijacking-dns.html