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Head-to-head · Reverse WHOIS Search Tools

DomainIQ vs DomainTools Reverse WHOIS

  • Updated Oct 2026
  • Both researched from official sources
  • 7 checks side by side
Higher score DomainIQ #4 in Reverse WHOIS Search Tools 8.8/10 Paid ✓ 6 of 6 features Visit DomainIQ

DomainIQ leads on 0 checks, DomainTools Reverse WHOIS 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 scoreDomainIQ · 8.8/10

DomainIQ scores higher on our rubric for reverse whois search tools: 8.8 against 8.6 out of 10; our editors rank them #4 and #6.

DomainIQ is the better fit for professional domain intelligence teams. DomainTools Reverse WHOIS is the better fit for threat-intelligence professionals.

  • DomainIQ fits best

    Professional domain intelligence teams

  • DomainTools Reverse WHOIS fits best

    Threat-intelligence professionals

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature DomainIQ 8.8/10 Visit ↗ DomainTools Reverse WHOIS 8.6/10 Visit ↗
At a glance
Editor score 8.8 8.6
Ranking #4 in Reverse WHOIS Search Tools #6 in Reverse WHOIS Search Tools
Best for Professional domain intelligence teams Threat-intelligence professionals
Pricing model Paid Paid
Starting price $49.95/mo $995/yr
Free plan — —
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Email, Docs Email, Docs
Built for Small business, Enterprise Solo, Enterprise
Features DomainIQ 6/6 · DomainTools Reverse WHOIS 6/6
Person/name search ✓ ✓
Organization search ✓ ✓
Email search ✓ ✓
Historical records ✓ ✓
Bulk search ✓ ✓
API access ✓ ✓
Specs
Result limit 100 results Not checked yet
Our review
Pros
  • Reverse WHOIS includes current and historical ownership connections.
  • Bulk, DNS, IP, MX and monitoring tools support larger investigations.
  • API offers XML, JSON, CSV and INI output modes.
  • Search by email, company, organization or registrant name
  • Supports current and historical WHOIS records
  • API access and integrations with major security platforms
Cons
  • No free plan; Pro starts at $49.95 per month.
  • Enterprise pricing is quote-based rather than publicly listed.
  • The breadth may exceed the needs of occasional domain lookups.
  • No free plan includes Reverse WHOIS searches
  • Individual Membership has limited monthly searches
  • Enterprise access is sold separately from individual plans
Our verdict

DomainIQ is a web-based domain intelligence platform for researching domain names, registrants, organizations, email addresses, IP addresses and related infrastructure. It is designed for security professionals, attorneys, law enforcement,…

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 →
  1. DomainIQReverse WHOIS Search Tools 8.8Paid
  2. DomainTools Reverse WHOISReverse WHOIS Search Tools 8.6Paid

Strengths and trade-offs

  • DomainIQ — where it wins

    • Reverse WHOIS includes current and historical ownership connections.
    • Bulk, DNS, IP, MX and monitoring tools support larger investigations.
    • API offers XML, JSON, CSV and INI output modes.

    Where it doesn't

    • No free plan; Pro starts at $49.95 per month.
    • Enterprise pricing is quote-based rather than publicly listed.
    • The breadth may exceed the needs of occasional domain lookups.
  • 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

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update