Web-Check is an open-source OSINT tool that analyzes websites by extracting technical data including IP addresses, SSL certificates, DNS records, security headers, server configurations, and technology stacks.

The tool provides security assessments, identifies potential attack vectors, and reveals infrastructure details through features like port scanning, traceroute analysis, and historical archive access. Users can deploy it locally or access it online to conduct comprehensive website security audits and gather intelligence about website architecture and configurations.