Censys Search

Search engine for internet-connected hosts and certificates.

Censys continuously scans the internet and lets you search hosts, services and TLS certificates. This link is the legacy search interface; Censys has been moving users to a newer platform, so check which one your account uses.

Why it's useful

Excellent for attack surface and certificate pivots.

Category: Reconnaissance & OSINT
Pricing: Freemium
Tags: recon, internet scan, search engine, certificates
Link: search.censys.io