SecurityTrails vs urlscan.io - Domain API Comparison

Overview

SecurityTrails

DNS & Domain Intelligence for Security Research

SecurityTrails provides comprehensive DNS intelligence, passive DNS data, subdomain enumeration, and WHOIS history for security researchers and threat intelligence teams.

50 queries/month free

urlscan.io

URL scanning, phishing analysis, and brand monitoring API

urlscan.io is built for scanning web pages, indexing observed infrastructure, and detecting phishing or brand abuse from captured page data.

Community plan available

Pricing Comparison

Pricing	SecurityTrails	urlscan.io
Free Tier	50 queries/month free	Community plan available
Paid Plans	Usage-based plans via sales	Paid API and search plans
Enterprise	Custom enterprise plans	Business and enterprise options
TLD Coverage	320M+ domains indexed	Scan corpus and search index coverage

Feature Comparison

Feature	SecurityTrails	urlscan.io
Free Tier	Limited	Included
API Access	Included	Included
Bulk Operations	Included	Limited
Real-time Data	Included	Included
WHOIS Data	Included	Limited
DNS Lookup	Included	Included
Domain Valuation	Not Included	Not Included
Brand Monitoring	Limited	Included
MCP/AI Integration	Not Included	Not Included

Which is Better?

Choose SecurityTrails if you need

Massive passive DNS database
Excellent subdomain enumeration
Historical WHOIS and DNS data

Choose urlscan.io if you need

Excellent page rendering and phishing investigation workflow
Strong brand-monitoring and search capabilities
Helpful for URL-centric security operations

Consider DomScan Instead

DomScan offers the best of both worlds with comprehensive features and developer-friendly pricing.

✓ Free tier: 10,000 credits/month (no credit card)
✓ 1,500+ TLDs supported
✓ MCP integration for AI assistants
✓ Domain valuation, brand monitoring, OSINT

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