Metadata

SSL certificates

Get subdomains and email addresses from SSL certificate info:

www.censys.io

Certificates -> website name without subdomain

https://transparencyreport.google.com/https/certificates

File Metadata

A lot of information about employees and their systems can be found in metadata of files the company has published. Useful tools for finding files on the company's website and extracting the metadata are metagoofil and FOCA.

Whois