// what it is
Description
Founded out of University of Michigan's ZMap research in 2015. Indexes every IPv4 host every few days, with first-class certificate transparency integration. Strong API + ability to pivot between hosts and certificates.
// use cases
What people use it for
- Find every host serving a specific TLS cert (great for misconfig hunting)
- Track an organization's public exposure over time
- Pivot from a leaked subdomain to other hosts behind the same cert
// commands
The commands you'll type
Search hosts by org
$ censys search 'services.tls.certificates.leaf_data.subject.organization: "Example Corp"'View host
$ censys view 1.1.1.1