DomainTools
vs
WhoisXML API
DomainTools vs WhoisXML API
Domain API comparison
Overview
Which of these two providers fits my workload?
DomainTools
Enterprise domain intelligence & threat research
DomainTools focuses on security workflows with passive DNS, reputation scoring, historical data, and enterprise investigation products.
Free Novice account with limited web lookups; no APIWhoisXML API
Enterprise domain, IP & DNS intelligence
WhoisXML API offers product-specific WHOIS, DNS, IP, and threat data packages plus enterprise plans for research, fraud, and security teams.
500 WHOIS queries, no card requiredPricing comparison
Watch out for: Credits, pages, requests, records, compute units, subscriptions, and browser-time blocks are not interchangeable.
| Pricing | DomainTools | WhoisXML API |
|---|---|---|
| Free tier | Free Novice account with limited web lookups; no API | 500 WHOIS queries, no card required |
| Paid plans | $99/month individual membership, web access only | $30/month for 2,000 WHOIS queries |
| Enterprise | API and enterprise access are custom priced | $3,600/month for 2 million queries; unlimited custom |
| How usage is billed | Credits, pages, requests, records, compute units, subscriptions, and browser-time blocks are not interchangeable. | Credits, pages, requests, records, compute units, subscriptions, and browser-time blocks are not interchangeable. |
Feature comparison
| Feature | DomainTools | WhoisXML API |
|---|---|---|
| Free tier | Not included | Limited |
| API access | Included | Included |
| Bulk operations | Included | Included |
| Real-time data | Included | Included |
| WHOIS data | Included | Included |
| DNS lookup | Included | Included |
| Domain valuation | Included | Not included |
| Brand monitoring | Premium only | Premium only |
| MCP/AI integration | Included | Included |
Which is better?
Choose DomainTools if you need
- Historical WHOIS data
- Threat intelligence and reputation scoring
- Iris, DNSDB, and monitoring products
Choose WhoisXML API if you need
- Domain, DNS, and IP data packages
- Historical WHOIS, DNS, and threat data
- Enterprise packages for security workflows
Consider DomScan instead
DomScan combines broad features with developer-friendly pricing.
- ✓ Free tier: 10,000 credits/month (no credit card)
- ✓ 1,100+ TLDs supported
- ✓ MCP integration for AI assistants
- ✓ Domain valuation, brand monitoring, OSINT
Sources
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