# censys-enumeration

censys-enumeration is an External Attack Surface Management product. It runs in the cloud. Pricing is free.

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

Checked October 2026.

## What is censys-enumeration?

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

This script uses the Censys API to fetch the SSL/TLS certificates for a given domain and extracts the subdomains and emails from the certificates.

This can be useful for reconnaissance and enumeration purposes.

Tags: TLS, Enumeration, SSL, Reconnaissance, Subdomain Enumeration

## Where it fits in your security program (NIST CSF 2.0)

- [Identify](https://cybersectools.com/guides/building-identify-program-small-team): helps you know your assets and your risks.

## Quick facts

- Category: [Exposure & Vulnerability Management](https://cybersectools.com/categories/exposure-vulnerability-management) · [External Attack Surface Management](https://cybersectools.com/categories/external-asm)
- Deployment: Cloud
- Company size fit: Startup, SMB, Mid-Market, Enterprise
- Pricing model: Free
- GitHub stars: 152
- Website: github.com

## Where it ranks

censys-enumeration is not a pick on the current [Best Attack Surface Management Solutions for Business](https://cybersectools.com/shortlists/best-attack-surface-solutions).

## censys-enumeration FAQ

### What is censys-enumeration?

censys-enumeration is a product in the External Attack Surface Management category. It covers TLS, Enumeration and SSL.

### What is the pricing for censys-enumeration?

censys-enumeration is free. Download and setup instructions are at https://github.com/0xbharath/censys-enumeration/.

### What are alternatives to censys-enumeration?

Alternatives to censys-enumeration listed on CybersecTools:

1. [ctlogs.dev](https://cybersectools.com/tools/ctlogsdev) - Fast Certificate Transparency search and JSON API for subdomain reconnaissance. (Commercial)
2. [SurfaceDiff](https://cybersectools.com/tools/surfacediff) - Continuous external attack surface monitoring that shows what changed between scans. (Commercial)
3. [Attack Surface Scan](https://cybersectools.com/tools/attack-surface-scan) - Agentless external attack surface monitoring with continuous change detection. (Commercial)
4. [DDactic Attack Surface Discovery](https://cybersectools.com/tools/ddactic-attack-surface-discovery) - Scans domains to discover attack surface, vulnerabilities, and generate hardening (Commercial)
5. [Cylana EASM](https://cybersectools.com/tools/cylana-easm) - AI-powered EASM platform for digital asset discovery and monitoring. (Commercial)

Compare all censys-enumeration alternatives at [https://cybersectools.com/alternatives/censys-enumeration](https://cybersectools.com/alternatives/censys-enumeration)

### What deployment and organization size does censys-enumeration fit?

censys-enumeration is available as a cloud service. It is listed for startups, small businesses, mid-market companies and enterprises. It is free.

## Compare censys-enumeration with similar solutions

- [censys-enumeration vs ctlogs.dev](https://cybersectools.com/compare/censys-enumeration-vs-ctlogsdev)
- [censys-enumeration vs SurfaceDiff](https://cybersectools.com/compare/censys-enumeration-vs-surfacediff)
- [censys-enumeration vs Attack Surface Scan](https://cybersectools.com/compare/attack-surface-scan-vs-censys-enumeration)

All alternatives to censys-enumeration: [/alternatives/censys-enumeration](https://cybersectools.com/alternatives/censys-enumeration)

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Source: https://cybersectools.com/tools/censys-enumeration

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More on censys-enumeration: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md