DomainTools Company We’re Domaintools Woman on Desktop Computer

We’re DomainTools

Here to empower security practitioners with the best intelligence.

A Message from Our CEO

Watch and learn directly from Tim Chen, DomainTool’s CEO, about our vital work safeguarding the Internet security for corporations, government, individuals, and way of life. Our commitment to cutting-edge security technology creates a safer online environment for all, and we’re excited to continue leading the charge in protecting what matters most.

Domain. Authority. DomainTools.

For over 20 years, DomainTools has been the most popular domain research service on the Internet, because we have the most comprehensive coverage of generic and country-code Top Level Domains.

We now capture and provide intelligence on 97% of the entire Internet with real-time predictive risk scoring.

  • 20+ years of historical and point-in-time data
  • Instantaneous capture and reporting of domain activity
  • 13 billion domains and IPs
  • 97% Internet coverage
  • 5 million new/updated domains every day
  • Real-time predictive risk scoring

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Proud to

democratize Internet security

The DomainTeam

We are passionate about making the Internet a safer place by providing world-class Internet Intelligence and building security products that empower our customers and make them superheroes (at least in their day jobs).

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Leadership Team

Guided by industry experts and business leaders, DomainTools is on a mission to generate best-in-class intelligence to make the online world safer.

Work with or for us

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We are what we value


At all times we choose to do the right thing for each other and for our customers, even when those decisions are the hardest route.

Customer Focus

Customers are at the core of what we do. We are committed to thoroughly understanding our customers’ needs and continuously delivering high-quality solutions and guidance to enable their success.


Our solutions make a difference in our quest to make the Internet a safer place for everyone. We strive to deliver meaningful solutions and become essential partners for our customers, industry, and community.


We work collaboratively with our team to solve difficult problems, with our customers to deliver solutions and with our industry to establish standards, share intelligence and make the Internet a safer place.


We continually seek out and develop creative new ideas and solutions to make the Internet a safer place for everyone. We approach the work we do with a freedom to experiment, a desire to quickly respond to a changing world, and an understanding of the value of calculated risks and failures.


We love what we do and it shows.

Our Values in action

A safe Internet starts with fighting for an equitable and diverse workplace

  • At DomainTools, we fight every day for a safe, secure, and open Internet for everyone.
  • Our ability to achieve this goal relies on fostering a culture of creativity, compassion, and inclusivity.
  • When our employees feel empowered to bring their full selves to work, we all do our best work.
  • We are committed to investing in and supporting all of our employees who work tirelessly to innovate, make a difference, and work collaboratively to solve difficult problems.

What’s your domain?

Inspired to impact security at the scale and speed of the Internet?
Like building things, taking on challenges and serving awesome customers?
Want to work with a sense of mission and purpose while finding joy?

You might be a great fit!

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DomainTools is trusted by:

Over 700

enterprise customers


of the Fortune 100

8 out of the top 10

banks in the United States

3 of the 5

largest Internet companies

6 of the Top 10

rated cybersecurity companies

4 of the 5

largest government agencies


branches of the military