LiveJournal cooperated with Russian authorities (Roskomnadzor) to segregate censored content by altering DNS A records for blacklisted blogs to a special host (208.93.0.190) that came online between February 10–17, 2014. Only 5 of 1,462 LiveJournal subdomains in Alexa's Top 1 million resolved to this address, all of which had been publicly declared in violation of Russian media law.
From 2014-anderson-global — Global Network Interference Detection over the RIPE Atlas Network
· §4.2
· 2014
· Free and Open Communications on the Internet
Implications
Do not route circumvention traffic through shared hosting platforms in high-censorship environments; platform-level DNS cooperation with censors enables selective, low-collateral-damage content blocking that is difficult to detect or circumvent at the network layer.
Treat any shared CDN or hosting provider as a potential choke point: a censor with a cooperative relationship can segregate specific users or domains without disrupting the broader platform.