All tools

OSINT

Censys

Internet-wide scan data and certificate transparency search.

beginner
Web
API
Reconnaissance

Authorized testing only. Practice on systems you own, isolated labs, or targets with written permission. Unauthorized access is illegal.

When

Certificate and host discovery for external attack surface.

How

Search hosts/certs via UI or API; export IPs for validation.

Why

High-quality passive intel complementary to Shodan.

Commands & usage

# Use web UI or censys API SDK

Commands are educational examples. Adapt hosts, paths, and rates to your authorized scope.

Tags

osint
certificates

Related in OSINT