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Head-to-head · WHOIS Lookup Tools

Whoxy vs OpenRDAP

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Whoxy #3 in WHOIS Lookup Tools 9.0/10 Paid ✓ 3 of 3 features Visit Whoxy
OpenRDAP #6 in WHOIS Lookup Tools 8.4/10 Free plan Free plan✓ 1 of 3 features Visit OpenRDAP

Whoxy leads on 0 checks, OpenRDAP on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreWhoxy · 9.0/10
  • Free planonly OpenRDAP
  • Most featuresWhoxy · 3 of 3

Whoxy scores higher on our rubric for whois lookup tools: 9.0 against 8.4 out of 10; our editors rank them #3 and #6.

OpenRDAP offers free plan; Whoxy doesn't.

Whoxy is the better fit for large-scale WHOIS API and dataset buyers. OpenRDAP is the better fit for technical users wanting open-source RDAP.

  • Whoxy fits best

    Large-scale WHOIS API and dataset buyers

  • OpenRDAP fits best

    Technical users wanting open-source RDAP

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 Whoxy 9.0/10 Visit ↗ OpenRDAP 8.4/10 Visit ↗
At a glance
Editor score 9.0 8.4
Ranking #3 in WHOIS Lookup Tools #6 in WHOIS Lookup Tools
Best for Large-scale WHOIS API and dataset buyers Technical users wanting open-source RDAP
Pricing model Paid Free
Starting price $10/unit one-time Free plan
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Cloud, Self-hosted, Browser extension
Platforms Web Web
Support Email · 24/7 Email, Docs
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Whoxy 3/3 · OpenRDAP 1/3
Bulk lookup ✓ (best) Not checked yet
Historical WHOIS ✓ (best) Not checked yet
RDAP support ✓ ✓
Specs
API access Full Full
Monthly lookup limit Not checked yet Not checked yet
Export formats XML, JSON, CSV, SQL text, JSON, raw JSON, WHOIS style
Our review
Pros
  • Bulk lookups support up to 100,000 domains per request
  • Current, historical, and reverse WHOIS search options
  • XML, JSON, CSV, and SQL delivery for bulk results
  • Supports domain, IP, ASN, nameserver, entity, URL, and search queries
  • Offers web, API, and self-hosted access with full RDAP support
  • Provides text, JSON, raw, and WHOIS-style output formats
Cons
  • No general free plan
  • Prepaid query packages focus on API volume rather than simple lookups
  • Database and lifecycle datasets add separate offerings to evaluate
  • Its primary interface is a command-line client
  • It has no AI-assisted features
  • WHOIS-style output applies to domain queries
Our verdict

Whoxy provides hosted WHOIS services for developers, investigators, domain researchers, and organizations working with structured domain-registration data. Its product scope covers current WHOIS lookups with parsed fields, historical…

Read the review →

OpenRDAP is an open-source command-line client written in Go for querying Registration Data Access Protocol servers. It is aimed at technical users who need domain, IP address, autonomous system, nameserver, entity, URL, and search lookups…

Read the review →
  1. WhoxyWHOIS Lookup Tools 9.0Paid
  2. OpenRDAPWHOIS Lookup Tools 8.4Free plan

Strengths and trade-offs

  • Whoxy — where it wins

    • Bulk lookups support up to 100,000 domains per request
    • Current, historical, and reverse WHOIS search options
    • XML, JSON, CSV, and SQL delivery for bulk results

    Where it doesn't

    • No general free plan
    • Prepaid query packages focus on API volume rather than simple lookups
    • Database and lifecycle datasets add separate offerings to evaluate

  • OpenRDAP — where it wins

    • Supports domain, IP, ASN, nameserver, entity, URL, and search queries
    • Offers web, API, and self-hosted access with full RDAP support
    • Provides text, JSON, raw, and WHOIS-style output formats

    Where it doesn't

    • Its primary interface is a command-line client
    • It has no AI-assisted features
    • WHOIS-style output applies to domain queries
  • Whoxy9.0/10 · Paid

    A pay-as-you-go WHOIS platform for high-volume lookups, history, reverse search, and datasets.

    Visit WhoxyFull verdict →
  • OpenRDAP8.4/10 · Free plan

    A flexible, open-source RDAP client for technical users who want control over queries and output.

    Visit OpenRDAPFull verdict →

More comparisons

All WHOIS lookup tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update