A tool designed to be used in the early stages of a penetration test. More information: https://github.com/laramies/theHarvester.
theHarvester --domain {{domain_name}} --source google
theHarvester --domain {{domain_name}} --source {{google,bing,crtsh}}
theHarvester --domain {{domain_name}} --source {{google}} --limit {{200}}
theHarvester --domain {{domain_name}} --source {{google}} --file {{output_file_name}}
theHarvester --help