Infrastructure OSINTFreemium

SecurityTrails

DNS, WHOIS, and infrastructure history.

Historical DNS, WHOIS, subdomain, and internet asset data for infrastructure investigations.

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Overview

What SecurityTrails is good for

Historical DNS, WHOIS, subdomain, and internet asset data for infrastructure investigations.

Built for osint and threat intelligence workflows.

Useful when evaluating infrastructure osint capabilities.

Helpful for dns, whois, subdomains investigations and triage.

Evaluation guide

Quick decision notes

Best fit

Investigators collecting public web, domain, URL, identity, and infrastructure evidence.

Check before using

Confirm current pricing, data limits, account requirements, and licensing on the official site before production use.

Typical inputs

#dns · #whois · #subdomains

Discovery path

Use the categories, source links, and similar tools below to compare it with nearby options.

Use cases

Where it fits

Investigators collecting public web, domain, URL, identity, and infrastructure evidence.
Threat intelligence analysts enriching indicators, checking reputation, and pivoting from weak signals into stronger context.
Teams finding exposed assets, technologies, services, and externally visible risk.

Classification

Categories and tags

OSINTThreat IntelligenceAttack Surface#dns#whois#subdomains

Sources

Official links and checks

Use these links to verify current plans, access requirements, documentation, releases, and support status.

Reviews

Community reviews and comments

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FAQ

Questions about SecurityTrails

What is SecurityTrails used for?

SecurityTrails is used for infrastructure osint workflows. Historical DNS, WHOIS, subdomain, and internet asset data for infrastructure investigations.

Is SecurityTrails free?

The listed pricing model is Freemium. Check the official site for exact plan limits, usage restrictions, and current commercial terms.

Which teams should evaluate SecurityTrails?

It is most relevant to teams working across osint, threat intelligence, attack surface workflows.

What are alternatives to SecurityTrails?

Start with the similar tools section on this page. It highlights tools with overlapping categories, tags, and operational use cases.