Discover subdomains using SSL certificate transparency logs
Find all subdomains associated with any domain using SSL certificate transparency data
Leverage SSL certificate logs from crt.sh database for comprehensive coverage
Filter results by status, type, and search through found subdomains
Download your findings in CSV format for further analysis
This tool queries the crt.sh database to find SSL certificates associated with your target domain, revealing all registered subdomains.
Use for legitimate security research, penetration testing, and infrastructure discovery with proper authorization.