Best WhoisDB.co Alternatives ranked by AI · updated Aug 2026

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WhoisDB is a web-based WHOIS database for researching domain registrations and related ownership records. It is intended for domain investors, researchers, and cybersecurity users who need historical domain information.

Developer: WhoisDB Price: N/A 🎯 whoisdb.co

Whois cybersecurity domain research domain history

Top 6 WhoisDB.co alternatives

DomainTools

💡 Pick it for deeper WHOIS history and enterprise-grade domain and infrastructure investigations.

DomainTools offers a comprehensive suite of domain research and monitoring tools to help companies with domain investigations and domain-related threat intelligence.

Custom pricing based on requirements

Alternatives to DomainTools → Visit site

SecurityTrails

💡 Choose it when historical DNS and infrastructure relationships matter as much as domain registration data.

SecurityTrails offers a platform where you can search and monitor domain registrations, DNS records, IP history, and other cybersecurity-related data.

Pros

Rich DNS and IP data
Historical data tracking

Cons

Focused more on DNS and IP data than domain investigations

Starting from $49/month

Alternatives to SecurityTrails →

WhoisXML API

💡 Pick it when you need programmable WHOIS and domain intelligence instead of occasional manual lookups.

WhoisXML API supplies WHOIS, DNS, IP, domain reputation, and threat-intelligence data for developers, security teams, and data analysts. Its standout capability is...

Pros

Broader API catalog than WhoisFreaks for enrichment and threat analysis
Supports automated lookups, monitoring, and bulk data workflows
Provides structured outputs that integrate readily with security platforms

Cons

Pricing and product selection can be complex for small projects
Some datasets and request volumes are restricted to higher tiers
Individual API products may require separate evaluation for coverage

Freemium, paid plans available

Alternatives to WhoisXML API → Visit site

Whoxy

💡 Choose it for an affordable, developer-friendly WHOIS API and structured domain data.

Whoxy is a WHOIS lookup and API service for developers, domain investors, and researchers. It stands out for low-cost structured WHOIS access,...

Pros

Lower-cost option for straightforward WHOIS API access
Offers bulk querying and developer-friendly JSON responses
Useful for domain portfolios, availability checks, and basic research

Cons

Less comprehensive security and infrastructure intelligence than WhoisFreaks
Historical and reverse-WHOIS capabilities are more limited than premium tools
Coverage depends on registrar and TLD availability

Free for limited use; paid credits available

Alternatives to Whoxy → Visit site

ViewDNS

ViewDNS.info

💡 Pick it for free, quick domain and DNS investigations without committing to a paid intelligence platform.

ViewDNS is a free collection of browser-based DNS and network investigation tools for site owners, researchers, and administrators. Its DNS lookup is...