Quick Facts
- Category
- API Provider
- Website
- www.domaintools.com
- Pricing Starts At
- Custom enterprise contracts
- Free Tier
- No free tier
- TLD Coverage
- Hundreds of millions of domains tracked
- Enterprise Plan
- Annual platform subscriptions
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
- Very expensive - enterprise pricing starts at $50,000+/year
- 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 |
|---|---|---|
| Personal | $99/month | Limited lookups |
| API Access | Contact Sales | Variable |
| Iris Investigate | $50,000+/year | Enterprise |
| Enterprise | Custom | Unlimited |
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 | ✓ | ✓ |