.us Domain Space

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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 2007. 

Table of Contents

• Documents related to the 2007 contract
• Documents related to the 2001 contract
• Enhancement of .us name space

2007 Contract (Present)

• .us Contract - (October 18, 2007)
• NeuStar Proposal (incorporated into the contract by reference)
• Modifications to the contract with NeuStar
  • Modification 001 - (November 1, 2007)
  • Modification 002 - (December 10, 2007)
  • Modification 003 - (April 30, 2008)
  • Modification 004 - (May 27, 2008)
  • Modification 005 - (September 1, 2008)
  • Modification 006 – (June 16, 2009)
  • Modification 007 – (April 7, 2010)
  • Modification 008 – (October 14, 2010)
  • Modification 009 – (May 13, 2011)
  • Modification 010 – (August 19, 2011)
  • Modification 011 – (November 29, 2011)
  • Modification 012 – (June 27, 2012)
• .us Contract Solicitation
  • Request for Quote
    • Amendment 01
  • Sources Sought

2001 Contract

• .us Contract
• Table of Contents for NeuStar Proposal
• NeuStar Proposal (incorparated into the contract by reference)
• Modifications to the contract with NeuStar
  • Modification 001 - (February 13, 2002)
  • Modification 002 - (June 14, 2002)
  • Modification 003 - (August 17, 2002)
  • Modification 004 - (September 6, 2002)
  • Modification 005 - (December 23, 2002)
  • Modification 006 - (January 13, 2003)
  • Modification 007 - (February 14, 2003)
  • Modification 008 - (May 1, 2003)
  • Modification 009 - (August 19, 2003)
  • Modification 010 - (September 30, 2003)
  • Modification 011 - (December 31, 2003)
  • Modification 012 - (March 31, 2004)
  • Modification 013 - (June 1, 2004)
  • Modification 014 - (September 21, 2004)
  • Modification 015 - (October 12, 2005)
  • Modification 016 - (October 25, 2005)
  • Modification 017 - (August 24, 2006)
  • Modification 018 - (October 20, 2006)
  • Modification 019 - (March 16, 2007)
• .us Contract Solicitation - (June 13, 2001)
  • Request for Quote
  • Amendment 1
  • Amendment 2
  • Amendment 3
  • Notice of Intent to release RFQ for management and coordination of the .US TLD - (May 25, 2001)
• Amendment 21 to the NSI Cooperative Agreement - (November 2, 2000)
• Federal Register Notice - Requesting comments on draft statement of work regarding .US - (August 17, 2000)

Enhancement of .US name space

• Federal Register Notice - (May 10, 1999)
• .us Meeting Agenda and Presentations - (March 15, 1999)
• Federal Register Notice, comment period extended (August 24, 1998)
• Federal Register Notice, Request for Comments (August 3, 1998)