1、CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i A Revisit of the Domain Name System After Russias Invasion of Ukraine March 23, 2022 Following Russias invasion of Ukraine in February 2022, Ukrainian Deputy Prime Minister Mykhailo Fedorov asked the Internet Corporation f
2、or Assigned Names and Numbers (ICANN) to sanction Russias internet access. Federov requested changes to the domain name system (DNS)revoking the top-level domains “.ru,” “.p,” and “.su” and shutting down four DNS root servers located in Russiato “help users seek for reliable information in alternati
3、ve domain zones.” ICANN responded that (1) ICANN does not “take unilateral action to disconnect” domains, and (2) independent operators maintain the geographically distributed DNS root server system. Further, ICANN stated it has neither the authority nor ability to impose sanctions as it “does not c
4、ontrol internet access or content.” Days after ICANN turned down Ukraines request, two top-tier U.S.-based internet service providers terminated their services in Russia. In an open letter to the Biden Administration, 41 civil society organizations that advocate for digital rights cautioned against
