Netlas vs SecurityTrails - Domain API Comparison

Overview

Netlas

Internet-wide scanning, DNS, SSL, and WHOIS datasets

Netlas combines search, internet-wide scan data, DNS records, SSL certificates, IP WHOIS, and domain WHOIS through structured APIs and bulk datasets.

Free plan available

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

Pricing Comparison

Pricing	Netlas	SecurityTrails
Free Tier	Free plan available	50 queries/month free
Paid Plans	Paid API and dataset plans	Usage-based plans via sales
Enterprise	Bulk and streaming options	Custom enterprise plans
TLD Coverage	Large DNS, SSL, and WHOIS collections	320M+ domains indexed

Feature Comparison

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

Which is Better?

Choose Netlas if you need

Very broad internet-scan, DNS, SSL, and WHOIS coverage
Structured datasets are strong for security research
Useful alternative to scan-first tools like Shodan or Censys

Choose SecurityTrails if you need

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

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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