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Head-to-head · OSINT Tools

OWASP Amass vs ViewDNS.info

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score OWASP Amass #2 in OSINT Tools 8.8/10 Free plan Free plan✓ 1 of 6 features Visit OWASP Amass
ViewDNS.info #5 in OSINT Tools 7.8/10 Free plan Free plan✓ 0 of 6 features Visit ViewDNS.info

OWASP Amass leads on 0 checks, ViewDNS.info on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOWASP Amass · 8.8/10
  • Free planboth
  • Most featuresOWASP Amass · 1 of 6

OWASP Amass scores higher on our rubric for osint tools: 8.8 against 7.8 out of 10; our editors rank them #2 and #5.

OWASP Amass is the better fit for free, self-hosted external asset reconnaissance. ViewDNS.info is the better fit for affordable domain and IP lookups.

  • OWASP Amass fits best

    Free, self-hosted external asset reconnaissance

  • ViewDNS.info fits best

    Affordable domain and IP lookups

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Side by side

Feature OWASP Amass 8.8/10 Visit ↗ ViewDNS.info 7.8/10 Visit ↗
At a glance
Editor score 8.8 7.8
Ranking #2 in OSINT Tools #5 in OSINT Tools
Best for Free, self-hosted external asset reconnaissance Affordable domain and IP lookups
Pricing model Free Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Cloud, Browser extension
Platforms Windows, macOS, Linux Web
Support Email, Community, Docs Email, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features OWASP Amass 1/6 · ViewDNS.info 0/6
Social source search Not checked yet Not checked yet
Domain & IP lookup Not checked yet Not checked yet
Monitoring & alerts Not checked yet Not checked yet
Link analysis Not checked yet Not checked yet
API access ✓ (best) Not checked yet
Data export Not checked yet Not checked yet
Our review
Pros
  • External asset discovery with active reconnaissance and attack-surface mapping
  • Open Asset Model and asset database organize findings and relationships
  • Cross-platform deployment with Docker, Docker Compose, and a REST API
  • Covers WHOIS, RDAP, DNS, reverse lookups and historical IP checks
  • Sandbox offers 250 trial queries and access to most APIs
  • CSV, JSON and XML outputs support manual and programmatic workflows
Cons
  • Command-line workflow may require technical security expertise
  • Self-hosted deployment leaves operations to your team
  • Focuses on external assets rather than broader investigations
  • Entry paid tier is limited to 1,000 monthly queries
  • Sandbox access covers most, not all, APIs
  • Focused on lookups rather than a broad investigation workflow
Our verdict

OWASP Amass is an open-source framework for security teams, penetration testers, and organizations assessing internet-facing infrastructure. It combines open-source intelligence collection, active reconnaissance, external asset discovery,…

Read the review →

ViewDNS.info brings browser-based domain and IP checks together with an API for programmatic queries. Its tools include WHOIS for domains and IP addresses, registry-selected WHOIS or RDAP sources, reverse WHOIS by registrant name or email,…

Read the review →
  1. OWASP AmassOSINT Tools 8.8Free plan
  2. ViewDNS.infoOSINT Tools 7.8Free plan

Strengths and trade-offs

  • OWASP Amass — where it wins

    • External asset discovery with active reconnaissance and attack-surface mapping
    • Open Asset Model and asset database organize findings and relationships
    • Cross-platform deployment with Docker, Docker Compose, and a REST API

    Where it doesn't

    • Command-line workflow may require technical security expertise
    • Self-hosted deployment leaves operations to your team
    • Focuses on external assets rather than broader investigations

  • ViewDNS.info — where it wins

    • Covers WHOIS, RDAP, DNS, reverse lookups and historical IP checks
    • Sandbox offers 250 trial queries and access to most APIs
    • CSV, JSON and XML outputs support manual and programmatic workflows

    Where it doesn't

    • Entry paid tier is limited to 1,000 monthly queries
    • Sandbox access covers most, not all, APIs
    • Focused on lookups rather than a broad investigation workflow

More comparisons

All OSINT tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update