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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.

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

Contact us

Have a question? Visit our FAQ page for answers to common questions about .gov domains.

If you don’t find an answer, email us at [email protected].

Participate in user research

We plan to launch a DNS hosting service in late 2026. We’re looking for volunteers who can contribute feedback and participate in user research.

To be considered, email [email protected] and include “participate in user research” in the subject line.

Visit us on GitHub

Report a system vulnerability

We encourage you to report potential vulnerabilities in our systems. Read our vulnerability disclosure policy to learn how to report a vulnerability.

Connect with your CISA regional representative

The Cybersecurity and Infrastructure Security Agency (CISA) manages the .gov top-level domain. Our regional representatives can help you support the security and resilience of critical infrastructure. Our experts collaborate with communities at the regional, state, county, tribal, and local levels. Find your CISA regional contact.

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get.gov

official website of the Cybersecurity and Infrastructure Security Agency

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