Neustar, a leading provider of registry services, manages .us on behalf of the U.S. Department of Commerce. Neustar maintains a growing network of .us-accredited registrars that sell .us domain names.

Who is Neustar?

Neustar Registry is a domain name industry pioneer — we've played a role in the growth and evolution of nearly every aspect of the domain name space. Today we are the world's largest provider of digital naming services, with a dream team of the industry's most passionate leaders, innovators, and influencers.

Featured Partners

Whether it’s individuals, businesses or organizations, .US believes in helping everyone pursue their version of the American Dream. We’re proud to offer support to communities and groups across the country. Learn more about our partnerships and sponsorships.


Your All-in-One Resource for Voting Information. Find all the election resources you need at Vote.US.


Easily explore the vastness and wonder of America’s National Parks from one address. Welcome to Parks.US.


Search across America and find any library: public, state, academic, Presidential and even law libraries with Library.US.


Discover what's around you at Zipcode.US. Find neighborhood groups, schools, information, deals, jobs and much more.

Technology Infrastructure

Security. Stability. Tranquility. These are of utmost importance in the .US domain name system and are our main commitment. The technological infrastructure is specifically designed to operate in an environment of high-volume transactions, to ensure maximum performance, and to protect users against cyber-attacks and security risks.

Some of the key elements of the platform are the shared registration system, and a global network of DNS servers:

neustar dns network logo