Device & Network Search Engines

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CATERGORY

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DESCRIPTION

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1

Email Search Engines

Have I Been Pwned

Have I Been Pwned checks whether an email address or phone number appears in known data breaches and reports exactly which breaches exposed it. It is the definitive free resource for breach exposure and is trusted worldwide by individuals and security teams. Notification and domain-monitoring features help organisations track ongoing exposure.

2

Email Search Engines

Hunter.io

Hunter.io finds and verifies professional email addresses associated with a company domain and reveals the organisation's email naming pattern. Investigators and outreach teams use it to confirm valid contacts quickly. A free tier covers occasional lookups, with paid plans for bulk search and verification.

3

Email Search Engines

Sherlock

Sherlock is an open-source tool that hunts a single username across hundreds of social networks and websites to map a subject's account footprint. Run from the command line, it rapidly reveals where a handle is registered. Free and community-maintained, it is a go-to for username-based investigations.

4

Email Search Engines

WhatsMyName / Namechk

WhatsMyName and Namechk check the availability and presence of a username across a wide range of social networks and online services. Investigators use them to confirm where a handle already exists and to link accounts to one identity. Both are free and are frequently paired for broader coverage.

5

Email Search Engines

Epieos

Epieos performs reverse lookups on an email address or phone number, surfacing linked accounts and publicly available profile information, including connected Google account data. It helps investigators expand a single identifier into a fuller picture of an identity. A free tier is available, with paid plans for advanced results.

6

Email Search Engines

Holehe

Holehe checks whether an email address is registered on dozens of websites by quietly using their password-reset and registration responses. This lets investigators discover where a target holds accounts without alerting them. Free and open source, it is a common building block in email-based OSINT.