ViewDNS.info vs theHarvester

ViewDNS.info7.8Visit TtheHarvester7.5Visit

Higher score ViewDNS.info #5 in OSINT Tools 7.8/10 Free plan Free plan✓ 0 of 6 features Visit ViewDNS.info

vs

T theHarvester #8 in OSINT Tools 7.5/10 Free plan Free plan✓ 4 of 6 features Visit theHarvester

• ViewDNS.info fits best

  Affordable domain and IP lookups

• theHarvester fits best

  Free domain and organization reconnaissance

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Side by side

Feature	ViewDNS.info 7.8/10 Visit ↗	TtheHarvester 7.5/10 Visit ↗
At a glance
Editor score	7.8	7.5
Ranking	#5 in OSINT Tools	#8 in OSINT Tools
Best for	Affordable domain and IP lookups	Free domain and organization reconnaissance
Pricing model	Free plan + paid	Free
Starting price	—	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Cloud, Browser extension	Self-hosted, Cloud
Platforms	Web	Linux, Web
Support	Email, Docs	Community, Docs
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features ViewDNS.info 0/6 · theHarvester 4/6
Social source search	Not checked yet	—
Domain & IP lookup	Not checked yet	✓ (best)
Monitoring & alerts	Not checked yet	✓ (best)
Link analysis	Not checked yet	Not checked yet
API access	Not checked yet	✓ (best)
Data export	Not checked yet	✓ (best)
Our review
Pros	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	Collects intelligence across search, certificate, DNS, code, and threat sources Normalizes findings and lets users review evidence and hostname changes Offers scheduling, a local REST API, and JSONL or SQLite exports
Cons	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	Its verified focus is domain and organization intelligence, not social sources Setup and interfaces can vary as the project is rapidly updated Its documentation supports Linux installation; broader OS support is unverified
Our verdict	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 →	For early-stage reconnaissance in an authorized security assessment, theHarvester collects public-source intelligence about a domain or organization. It draws from categories including search engines, certificate transparency logs, DNS… Read the review →

Strengths and trade-offs

• 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

• theHarvester — where it wins

  • Collects intelligence across search, certificate, DNS, code, and threat sources
  • Normalizes findings and lets users review evidence and hostname changes
  • Offers scheduling, a local REST API, and JSONL or SQLite exports

  Where it doesn't

  • Its verified focus is domain and organization intelligence, not social sources
  • Setup and interfaces can vary as the project is rapidly updated
  • Its documentation supports Linux installation; broader OS support is unverified

• ViewDNS.info7.8/10 · Free plan

  A focused lookup service for domain and IP research, with browser tools and a query-based API.

  Visit ViewDNS.infoFull verdict →
• TtheHarvester7.5/10 · Free plan

  A free, open-source tool for domain reconnaissance with local history, scheduling, and API access.

  Visit theHarvesterFull verdict →