# Dnscan

Dnscan is a Security Scanning product. It runs on-premises. Pricing is free.

Dnscan is a DNS reconnaissance tool that performs DNS scans, DNS cache snooping, and DNS amplification attack detection.

Checked October 2026.

## What is Dnscan?

Dnscan is a DNS reconnaissance tool that performs DNS scans, DNS cache snooping, and DNS amplification attack detection. It can be used to identify potential security vulnerabilities in DNS infrastructure.

The tool provides features such as DNS cache snooping, DNS amplification attack detection, and DNS reconnaissance. It can be used to identify potential security vulnerabilities in DNS infrastructure and to detect DNS-based attacks.

Dnscan is a useful tool for security professionals and penetration testers who need to assess the security of DNS infrastructure and detect potential security vulnerabilities.

Tags: DNS Security

## 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.
- [Detect](https://cybersectools.com/guides/building-detect-program-small-team): helps you spot attacks and unusual activity.

## Quick facts

- Category: [Exposure & Vulnerability Management](https://cybersectools.com/categories/exposure-vulnerability-management) · [Security Scanning](https://cybersectools.com/categories/security-scanning)
- Deployment: On-Premises
- Company size fit: Startup, SMB, Mid-Market, Enterprise
- Pricing model: Free
- GitHub stars: 1,258
- Website: github.com

## Dnscan FAQ

### What is Dnscan?

Dnscan is a product in the Security Scanning category. It covers DNS Security.

### What is the pricing for Dnscan?

Dnscan is free. Download and setup instructions are at https://github.com/rbsec/dnscan/.

### What are alternatives to Dnscan?

Alternatives to Dnscan listed on CybersecTools:

1. [Domain Verity](https://cybersectools.com/tools/domain-verity) - Monitors domains for TLS, email auth, DNS, and cert misconfigurations. (Commercial)
2. [DNSAudit.io](https://cybersectools.com/tools/dnsauditio) - Free DNS security scanner that checks domains for misconfigs and exposure. (Free)
3. [RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/tools/roboshadow-owasp-zap-vulnerability-scanner) - Web app & network vulnerability scanner integrating OWASP ZAP, Shodan & Nmap (Commercial)
4. [Jsmon 2.0](https://cybersectools.com/tools/jsmon-20) - JavaScript security scanner for detecting vulnerabilities in third-party scripts (Commercial)
5. [Aikido EOL Scanner](https://cybersectools.com/tools/aikido-eol-scanner) - Detects end-of-life and outdated software in code and containers (Commercial)

Compare all Dnscan alternatives at [https://cybersectools.com/alternatives/dnscan](https://cybersectools.com/alternatives/dnscan)

### What deployment and organization size does Dnscan fit?

Dnscan is available as on-premises software. It is listed for startups, small businesses, mid-market companies and enterprises. It is free.

## Compare Dnscan with similar solutions

- [Dnscan vs Domain Verity](https://cybersectools.com/compare/dnscan-vs-domain-verity)
- [Dnscan vs DNSAudit.io](https://cybersectools.com/compare/dnsauditio-vs-dnscan)
- [Dnscan vs RoboShadow OWASP ZAP Vulnerability Scanner](https://cybersectools.com/compare/dnscan-vs-roboshadow-owasp-zap-vulnerability-scanner)

All alternatives to Dnscan: [/alternatives/dnscan](https://cybersectools.com/alternatives/dnscan)

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Source: https://cybersectools.com/tools/dnscan

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