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root server system
Last modified: Monday, June 24, 2002
A system of 13 file servers that are distributed around the globe and contain authoritative databases that form a master list of all top-level domain names (TLDs). There is one central, or "A", server that replicates changes to the other servers on a daily basis. Different organizations maintain the servers on the root server system. The U.S. government plays a role in maintaining about half of the servers.
