🌐 Top 30 Domain Research Tools

Search for unregistered .com domains registered in multiple other TLDs.

2. Whois.net

Classic WHOIS lookup service for checking domain registration and ownership info.

3. Namecheap Domain Search

Search and register domains with advanced filters and available bundles.

4. GoDaddy Appraisal

Automatic domain value estimator based on comparable historical sales.

5. DomainTools

Advanced domain intelligence platform with WHOIS history and DNS tracking.

6. NameBio

Historical sales database for domains—great for research and valuation.

7. Lean Domain Search

Find domain name ideas by pairing your keyword with common terms.

8. ExpiredDomains.net

Discover expired or deleted domains for potential registration and resale.

9. Spyse Domain Intelligence

Security-focused domain research including subdomains and infrastructure.

10. DomainTools Iris

Premium platform for mapping domain ownership and investigating threat actors.

11. Domainr

Explore domain names across all TLDs with smart, instant suggestions.

12. DotDB

Analyze domain keyword usage across multiple TLDs and find registered patterns.

13. Instant Domain Search

Real-time domain availability checker with fast suggestions and registrar links.

14. NameMesh

Domain name generator using multiple filters like SEO, fun, short, and new.

15. ICANN Bulk WHOIS

Perform bulk WHOIS lookups using ICANN’s official registry database.

16. Domain Index

Offers domain scoring, appraisals, and portfolio management tools.

17. Moz Domain Analysis

Check domain authority, backlinks, and SEO strength with Moz tools.

18. Majestic

Powerful backlink analysis with Trust Flow and Citation Flow metrics.

19. Ahrefs Site Explorer

SEO tool for analyzing domains, backlinks, keywords, and rankings.

20. SEMrush Domain Overview

Get traffic insights, keyword rankings, and domain health analysis.

21. Name.com Domain Search

Search and register domains with a clean UI and value-added services.

22. Google Domains / Squarespace

Buy and manage domains with integrated tools from Google and Squarespace.

23. TLD List

View pricing, rules, and details for all TLDs in one searchable directory.

24. Namesilo WHOIS

Free WHOIS lookup tool with transparent domain pricing and services.

25. DomainIQ

Research domain ownership, WHOIS history, and related domains.

26. DomCop

Find expired and auction domains with filters for SEO metrics and value indicators.

27. BrandBucket

Browse premium brandable domain names with logos and business name ideas.

28. Sedo

Marketplace for buying, selling, and parking domain names worldwide.

29. DNSlytics

Investigate domains with DNS records, ASN data, reverse lookups, and IP history.

30. DomainHole

Domain brainstorming and expired domain finder with creative search tools.