Free Domain Lookup
Full domain OSINT report: WHOIS, DNS, SSL certs, ownership history, related domains.
What is free domain lookup
A domain has a public registration history, DNS records, SSL certificates, related domains by registrant. Skopio aggregates ICANN WHOIS, DNS history (CT logs), and registrant-clustering — returning a full domain OSINT report. Free first lookup every day.
Why it matters
Domain investigation is the first move in fraud, phishing, brand protection, and threat intelligence.
Who uses it and why
Real scenarios from different teams
Suspicious lookalike domain. Who registered it?
Find typosquats and lookalikes for our brand.
Domain looks tempting. History clean?
Where the data comes from
Every source is legitimate and transparent. Each finding cites its origin.
Sample reports
Real values masked. Structure and fields are exactly as in production.
- ✓Owner: IANA (reserved)
- ✓250+ subdomains seen in CT logs
- ✓Used in 14M+ academic citations
- ✓Clean reputation
Frequently asked questions
WHOIS free?+
Yes, plus DNS, CT logs, related domains all in one query.
Privacy-protected WHOIS?+
We surface what is public. Hidden registrants we cannot reveal.
Subdomain enumeration?+
Yes, via CT-log enumeration plus passive DNS.
How thorough?+
Cross-checks every signal source for that category in one report.
Skopio compared to alternatives
Objective comparison for this category