Why Us?

We get it, because it’s happened to us.

Even the best team can overlook forgotten servers, an exposed port or be too focused on one front that they’re blindsided on another. This is why we created SecurityTrails™, the only Total Internet Inventory™ with the most comprehensive data that informs with unrivaled accuracy. We want companies to strengthen their vulnerabilities and make confident decisions by knowing the Internet surface of any organization.

Created to do What Others Can’t

All the Data, All In One Place

Access hostnames, associated domains, IP blocks, SSL certificates, WHOIS, DNS and historical DNS from multiple sources on one simple platform.

Accurate Internet Surface Assessments

Know not only how exposed your infrastructure is by seeing every single Internet-facing asset, but also do the same to your vendors and supply chain.

Research Made Easy

Finding the needle in a digital haystack now takes less time and effort. Breeze through our vast datasets with intuitive tools and APIs. Can’t find what you’re looking for? We’re only a chat, Slack, or email away.

The Authority on Subdomains

We scour and resolve over five billion DNS records daily to provide you with the most complete dataset available. Know exactly who’s doing what, and how it could affect you.

Reveal Associated Domains

We analyze and connect the dots on more signals like, IP Blocks, SSL certificates and WHOIS data, to see if they are related.

On Your Terms

Tell us how you like to work and we’ll determine the best way to integrate our data into your current projects. From easy-to-incorporate API and data feeds, to finding all the information related to an organization with SurfaceBrowser™ — SecurityTrails™ has you covered.

Get started now!

Use the SecurityTrails API to fetch any domain, DNS, and IP-related data. Our easy-to-use API can help you enriching your datasets or adding value to your service:

  • Manage infrastructure sprawl and find forgotten digital assets
  • Search everything from one convenient place
  • Make the right call with comprehensive datasets
  • Get an accurate read on associated domains
  • Find key facts fast with curated and up-to-date data