Before buying a domain, you need to know: who owns similar domains, when they expire, what DNS records point where, and if SSL is properly configured.
3 Free Domain Research Tools
1. WHOIS Domain Lookup
Registration date, expiration, registrar, nameservers. Know when a competitor's domain expires. Track domain age (SEO signal).
2. SSL Certificate Checker
Verify SSL validity, expiration date, issuer. Find sites with expiring certificates (security risk). Check competitor HTTPS status.
3. Domain Availability Checker
Check if a domain is available across multiple TLDs. Bulk checking supported for brand research.
Use Cases
SEO: Domain age is a ranking factor. WHOIS data reveals competitor domain ages.
Security: Monitor your SSL certificates. Get alerts before expiration.
Brand protection: Check if variants of your brand name are registered.
Investing: Find expiring domains in valuable niches.
All 77 tools: GitHub
Custom domain research — $20: Order via Payoneer
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