theHarvester

References

Multi-purpose information gathering tool: emails, names, subdomains, IPs, URLs.

Example of command and options

Specify a domain and a source to find IPs, sub-domains and emails:

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theharvester -d cisco.com -b google

Available sources:

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baidu, bing, bingapi, censys, crtsh, cymon,
dnsdumpster, dogpile, duckduckgo, google, google-
certificates, hunter, intelx, linkedin, netcraft,
securityTrails, threatcrowd, trello, twitter, vhost,
virustotal, yahoo, all