censys-subdomain-finder vs ZoomEye: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
censys-subdomain-finder is a free external attack surface management tool. ZoomEye is a free external attack surface management tool. Compare features, ratings, integrations, and community reviews side by side to find the best external attack surface management fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Security teams conducting external attack surface discovery on a budget will get the most from ZoomEye; its free tier gives you real-time visibility into exposed assets and service versions across your internet-facing infrastructure without licensing friction. The search engine indexes over 600 million IP addresses and devices, letting you identify vulnerabilities before an attacker does. Skip this if you need continuous posture monitoring or remediation workflows; ZoomEye is a reconnaissance tool, not a management platform.
Data verified Sep 2026
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