WHOIS records reveal who owns a domain, when it was registered, and when it expires.
Information available
- Registrant: Domain owner's contact details (often redacted for privacy).
- Registrar: Company that sold the domain.
- Registration/expiration dates: When domain was created and when it renews.
- Nameservers: DNS servers authoritative for the domain.
Investigative uses
- Identify phishing domains by checking creation date.
- Find domain owner for abuse reporting.
- Monitor domain expiration for brand protection.
- Research infrastructure patterns in threat campaigns.
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