Dnscan is a free security scanning solution. RoboShadow OWASP ZAP Vulnerability Scanner is a commercial security scanning solution by RoboShadow. Features, integrations, deployment and the company behind each one, side by side.
Dnscan is a DNS reconnaissance tool that performs DNS scans, DNS cache snooping, and DNS amplification attack detection.
Web app & network vulnerability scanner integrating OWASP ZAP, Shodan & Nmap
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Based on what each listing shows: deployment, company size, price and open source.
Dnscan fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.
RoboShadow OWASP ZAP Vulnerability Scanner fits if you need both cloud and on-premises options.
Common questions when comparing Dnscan vs RoboShadow OWASP ZAP Vulnerability Scanner for security scanning.
Dnscan: Dnscan is a DNS reconnaissance tool that performs DNS scans, DNS cache snooping, and DNS amplification attack detection.
RoboShadow OWASP ZAP Vulnerability Scanner: Web app & network vulnerability scanner integrating OWASP ZAP, Shodan & Nmap. Built by RoboShadow.
The table above shows where their features, integrations, deployment and company size fit differ.
Dnscan is open-source with 1,258 GitHub stars. RoboShadow OWASP ZAP Vulnerability Scanner is made by RoboShadow. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Dnscan and RoboShadow OWASP ZAP Vulnerability Scanner are both Security Scanning products. Key differences: Dnscan is Free while RoboShadow OWASP ZAP Vulnerability Scanner is Commercial, Dnscan is open-source. Use the table above to see where features, deployment and company size fit differ.
No Security Scanning shortlist yet. This is the closest one.
Updated 2026-11-02
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