OSINTYourself

Infrastructure & Network Reconnaissance

FOFA

Freemium
API AvailablePassive ReconWeb-Based

Cyberspace search engine that indexes internet-exposed hosts, services and web fingerprints for querying.

FOFA is a cyberspace search engine that indexes internet-exposed hosts, services, and web fingerprints so that users can query them. It is typically used for network reconnaissance to find exposed hosts and services, which helps researchers understand an external attack surface.

Official site: https://en.fofa.info

Last verified 2026-10-01.

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