Quick Facts
- Category
- API Provider
- Website
- www.domaintools.com
- Pricing Starts At
- $99/month individual membership, web access only
- Free Tier
- Free Novice account with limited web lookups; no API
- TLD Coverage
- Hundreds of millions of domains tracked
- Enterprise Plan
- API and enterprise access are custom priced
Pros & Cons
✓ Pros
- Industry-leading historical WHOIS data (12+ years)
- Largest passive DNS network (100B+ records since 2010)
- Predictive risk scoring with machine learning
- Extensive enterprise integrations (Splunk, ServiceNow, etc.)
- Gold standard for cybersecurity threat intelligence
− Cons
- API access and enterprise products use custom pricing
- No free tier available for testing
- Overkill for simple availability checking
- Complex pricing requires contacting sales
- Some users report difficult account cancellation
🎯 Our Verdict
DomainTools is the undisputed leader in enterprise threat intelligence and historical domain data. If you need decades of WHOIS history or advanced threat analysis for a security operations center, it is unmatched. However, for developers building domain tools or startups, the pricing is prohibitive and the feature set is excessive.
Best For: Enterprise security teams, SOC analysts, threat hunters, forensic investigators, brand protection at scale
Not Recommended For: Startups, individual developers, simple availability checking, budget-conscious projects
Key Features
Iris Investigate
Web interface and API for domain investigation with risk scoring
DNSDB
Historical passive DNS with 100B+ records since 2010
Reverse WHOIS
Find all domains owned by a person or company
Domain Hotlist
Predictive threat feed of high-risk domains
Pricing
| Tier | Price | Credits/Requests |
|---|---|---|
| Free | Free Novice account with limited web lookups; no API | Variable |
| Starter | $99/month individual membership, web access only | Variable |
| Enterprise | API and enterprise access are custom priced | Variable |
Sources
Last updated:
DomainTools vs DomScan
| Feature | DomainTools | DomScan |
|---|---|---|
| Free Tier | − | ✓ 10,000/month |
| Domain Availability | ✓ | ✓ |
| WHOIS Data | ✓ | ✓ |
| DNS Lookup | ✓ | ✓ |
| Domain Valuation | ✓ | ✓ |
| Brand Monitoring | Premium | ✓ |
| MCP/AI Integration | ✓ | ✓ |
| Bulk Operations | ✓ | ✓ |