censys-enumeration vs crt.sh: side-by-side comparison (2026)

censys-enumeration: A script to extract subdomains/emails for a given domain using SSL/TLS certificate dataset on Censys.

crt.sh: Bash script for subdomain enumeration via crt.sh certificate transparency logs.

The table above shows where their features, integrations, deployment and company size fit differ.

censys-enumeration is open-source with 152 GitHub stars. crt.sh is open-source. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. censys-enumeration and crt.sh are both External Attack Surface Management products, and both cover Subdomain Enumeration, Reconnaissance, Enumeration. Key differences: censys-enumeration is open-source. Use the table above to see where features, deployment and company size fit differ.