Overview
DomainTools
Enterprise Domain Intelligence & Threat Research
DomainTools focuses on high-end security workflows with passive DNS, reputation scoring, historical data, and enterprise investigation products.
Free Novice account with limited web lookups; no APIHost.io
Domain Intelligence and Technology Detection API
Host.io focuses on technology fingerprints, related-domain discovery, DNS data, and web market intelligence rather than registrar workflows.
1,000 requests/monthPricing Comparison
| Pricing | DomainTools | Host.io |
|---|---|---|
| Free Tier | Free Novice account with limited web lookups; no API | 1,000 requests/month |
| Paid Plans | $99/month individual membership, web access only | $99/month for 10,000 requests |
| Enterprise | API and enterprise access are custom priced | $999+/month for 500,000+ requests |
| TLD Coverage | Hundreds of millions of domains tracked | Top 10M domain dataset |
Feature Comparison
| Feature | DomainTools | Host.io |
|---|---|---|
| Free Tier | Not Included | Limited |
| API Access | Included | Included |
| Bulk Operations | Included | Included |
| Real-time Data | Included | Included |
| WHOIS Data | Included | Limited |
| DNS Lookup | Included | Included |
| Domain Valuation | Included | Not Included |
| Brand Monitoring | Premium Only | Included |
| MCP/AI Integration | Included | Not Included |
Which is Better?
Choose DomainTools if you need
- Decades of historical WHOIS data
- Advanced threat intelligence
- Iris, DNSDB, and monitoring products
Choose Host.io if you need
- Technology stack detection
- Related domains discovery
- Strong tie-in with the IPinfo ecosystem
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)
- ✓ 1,100+ TLDs supported
- ✓ MCP integration for AI assistants
- ✓ Domain valuation, brand monitoring, OSINT
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