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Due to the lapse in Congressional Appropriations for Fiscal Year 2019, the U.S. Department of Commerce is closed. Commerce Department websites will not be updated until further notice. For more information, see Shutdown Due to Lapse of Congressional Appropriations.

.us Domain Space

NTIA supervises the administration of the DNS country code top level domain for the United States (usTLD or .us domain) through a contract, the most recent of which was awarded to Neustar, Inc. in 2014. 

Table of Contents

2014 Contract

2007 Contract

2001 Contract

Enhancement of .US name space