technical osint/domain analysis/WHOIS Lookup

WHOIS Lookup

Retrieve domain registration and ownership information

technical osint
Risk: Low
Domain Info
Registrar Details
Contact Information
DNS Records
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WHOIS Domain Lookup

How WHOIS Works

WHOIS is a query and response protocol used to look up information about domain registration data, including registrar details, registration dates, nameservers, and sometimes registrant contact information (depending on privacy protection). This tool uses standard WHOIS protocols to query authoritative WHOIS servers for the requested domain.

$ whois example.com
Domain Name: EXAMPLE.COM
Registry Domain ID: 2336799_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.iana.org
Registrar URL: http://www.iana.org
Updated Date: 2021-09-14T07:01:30Z
...
Authorization Required

Only use this tool on systems you own or have explicit written permission to test. Unauthorized scanning or testing is illegal and may result in criminal charges.