Whoisology vs DomainTools Reverse WHOIS

Whoisology9.0Visit DomainTools Reverse WHOIS8.6Visit

Higher score Whoisology #3 in Reverse WHOIS Search Tools 9.0/10 Free plan Free plan✓ 5 of 6 features Visit Whoisology

vs

DomainTools Reverse WHOIS #6 in Reverse WHOIS Search Tools 8.6/10 Paid ✓ 6 of 6 features Visit DomainTools

• Whoisology fits best

  Researchers needing historical ownership exploration

• DomainTools Reverse WHOIS fits best

  Threat-intelligence professionals

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Side by side

Feature	Whoisology 9.0/10 Visit ↗	DomainTools Reverse WHOIS 8.6/10 Visit ↗
At a glance
Editor score	9.0	8.6
Ranking	#3 in Reverse WHOIS Search Tools	#6 in Reverse WHOIS Search Tools
Best for	Researchers needing historical ownership exploration	Threat-intelligence professionals
Pricing model	Free plan + paid	Paid
Starting price	$300/yr	$995/yr
Free plan	✓ (best)	—
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Email	Email, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Enterprise
Features Whoisology 5/6 · DomainTools Reverse WHOIS 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 email, company, organization or registrant name Supports current and historical WHOIS records API access and integrations with major security platforms
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	No free plan includes Reverse WHOIS searches Individual Membership has limited monthly searches Enterprise access is sold separately from individual plans
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 →	DomainTools Reverse WHOIS helps investigators find domains connected by shared registration information. Searches can use an email address, company or organization name, or registrant or contact name. It supports current and historical… 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

• DomainTools Reverse WHOIS — where it wins

  • Search by email, company, organization or registrant name
  • Supports current and historical WHOIS records
  • API access and integrations with major security platforms

  Where it doesn't

  • No free plan includes Reverse WHOIS searches
  • Individual Membership has limited monthly searches
  • Enterprise access is sold separately from individual plans

• Whoisology9.0/10 · Free plan

  A focused research tool for tracing domain ownership, connections, and historical records.

  Visit WhoisologyFull verdict →
• DomainTools Reverse WHOIS8.6/10 · Paid

  A paid Reverse WHOIS service for current, historical and multi-term domain research.

  Visit DomainToolsFull verdict →