Head-to-head · Reverse WHOIS Search Tools
Whoisology vs MarketXY
Whoisology leads on 0 checks, MarketXY on 0, and 7 are even. Who comes out ahead on the 7 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreWhoisology · 9.0/10
- Free planonly Whoisology
- Most featuresMarketXY · 6 of 6
Whoisology scores higher on our rubric for reverse whois search tools: 9.0 against 8.7 out of 10; our editors rank them #3 and #5.
Whoisology is the better fit for researchers needing historical ownership exploration. MarketXY is the better fit for enterprise-scale domain data operations.
- Whoisology fits best
Researchers needing historical ownership exploration
- MarketXY fits best
Enterprise-scale domain data operations
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Side by side
| Feature | Whoisology 9.0/10 Visit ↗ | MarketXY 8.7/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.0 | 8.7 |
| Ranking | #3 in Reverse WHOIS Search Tools | #5 in Reverse WHOIS Search Tools |
| Best for | Researchers needing historical ownership exploration | Enterprise-scale domain data operations |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | $300/yr | Not checked yet |
| Free plan | ✓ (best) | Not checked yet |
| Free trial | — | — |
| Deployment | Cloud | Cloud |
| Platforms | Web | Web |
| Support | Docs · 24/7 | |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market, Enterprise |
| Features Whoisology 5/6 · MarketXY 6/6 | ||
| Person/name search | ✓ | ✓ |
| Organization search | Not checked yet | ✓ (best) |
| Email search | ✓ | ✓ |
| Historical records | ✓ | ✓ |
| Bulk search | ✓ | ✓ |
| API access | ✓ | ✓ |
| Specs | ||
| Result limit | 1000 results | Not checked yet |
| Our review | ||
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| Our verdict | Whoisology is a web-based reverse WHOIS and domain ownership archive for researchers investigating domains, organizations, and historical ownership connections. Its searches can use domain terms and WHOIS fields, including person and email… Read the review → |
MarketXY is a domain intelligence and WHOIS data platform for businesses, cybersecurity teams, brand protection agencies, researchers, legal teams, and data-driven companies. Its reverse WHOIS searches can use email, phone, name, company,… Read the review → |
Strengths and trade-offs
Whoisology — where it wins
- Free access includes reverse and historical WHOIS research
- Connected-domain exploration links domains through WHOIS fields
- Paid plans add reports, bulk search, and API credits
Where it doesn't
- Visitor access is limited to a number of results per day
- Advanced historical access requires a paid membership
- Higher report and API allowances are reserved for pricier tiers
MarketXY — where it wins
- Search by identity, company, keyword, DNS, nameserver, or address
- Combines current, historical, bulk, lifecycle, and infrastructure data
- Supports APIs, downloads, feeds, and integrations with business data tools
Where it doesn't
- Its broad scope may exceed the needs of simple one-off lookups
- Bulk operations and scheduled feeds suit operational workflows best
- API and data-feed workflows require technical implementation
- Whoisology9.0/10 · Free plan
A focused research tool for tracing domain ownership, connections, and historical records.
Visit WhoisologyFull verdict → - MarketXY8.7/10 · Free plan + paid
A broad reverse-WHOIS and domain intelligence platform for data-heavy teams.
Visit MarketXYFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update






