censys-enumeration vs ctlogs.dev: side-by-side comparison (2026)

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

ctlogs.dev: Fast Certificate Transparency search and JSON API for subdomain reconnaissance. Built by Apps34. Core capabilities include Real-time Certificate Transparency Search, Automated Subdomain Enumeration, High-Performance REST JSON API.

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

censys-enumeration is open-source with 152 GitHub stars. ctlogs.dev is made by Apps34. 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 ctlogs.dev are both External Attack Surface Management products, and both cover Reconnaissance, SSL, TLS. Key differences: censys-enumeration is Free while ctlogs.dev is Commercial, censys-enumeration is open-source. Use the table above to see where features, deployment and company size fit differ.