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Head-to-head · Reverse WHOIS Search Tools

Whoisology vs MarketXY

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score Whoisology #3 in Reverse WHOIS Search Tools 9.0/10 Free plan Free plan✓ 5 of 6 features Visit Whoisology
MarketXY #5 in Reverse WHOIS Search Tools 8.7/10 Free plan + paid ✓ 6 of 6 features Visit 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 Email 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
Pros
  • 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
  • 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
Cons
  • 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
  • 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
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 →
  1. WhoisologyReverse WHOIS Search Tools 9.0Free plan
  2. MarketXYReverse WHOIS Search Tools 8.7Free plan + paid

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

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update