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The .gov means it’s official.

Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


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The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

.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 in 2019. 

Table of Contents

2019 Contract

2014 Contract

2007 Contract

2001 Contract

Enhancement of .US name space