.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 2007. 

Table of Contents

2014 Contract

2013 Contract

  • Federal Register Notice — Country Code Top-Level Domain (ccTLD) for the United States; Policies and Requirements; Comments Request
  • Comments received
  • The original .us TLD Contract Solicitation Number: SB1335-13-RP-0086 (September 27, 2013)
  • The revised .us TLD Contract Solicitation Number: SB1335-13-RP-0086 (November 1, 2013)
    On November 1, 2013, the Department of Commerce re-issued the Request for Proposal (RFP) SB1335-13-RP-0086 for a new .us TLD contract. The .us ccTLD serves as a home for American business, individuals, and localities for the benefit of the nation’s Internet community. The continued operation of the .us ccTLD is important to preserving the stability and security of the Internet domain name system (DNS) and maintaining an Internet that is open for economic growth and innovation

2007 Contract

2001 Contract

Enhancement of .US name space