dns-parallel-prober vs OpenDoor: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros and cons, compared head to head.
dns-parallel-prober is a free security scanning tool. OpenDoor is a free security scanning tool. Compare features, ratings, integrations, and community reviews side by side to find the best security scanning fit for your security stack. Independent and vendor-neutral: we never sell rankings.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Security teams running large-scale reconnaissance or validating DNS infrastructure will value dns-parallel-prober for its adaptive parallelization, which outpaces sequential probing when querying hundreds of domains simultaneously. The 108 GitHub stars and proof-of-concept maturity indicate it's battle-tested by practitioners, not marketed vaporware. This is a PoC, though, so skip it if you need vendor support, SLA guarantees, or integration with commercial scanning platforms; it's built for operators comfortable reading source code and tuning parameters themselves.
Data verified Jun 2026
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dns-parallel-prober
A proof-of-concept for an adaptive parallelised DNS prober
OpenDoor
Open-source CLI platform for web recon, dir discovery & subdomain enum.
Side-by-Side Comparison
Feature
dns-parallel-prober
OpenDoor
Pricing Model
Free
Free
Category
Security Scanning
Security Scanning
Verified Vendor
Deployment & Fit
Deployment Type
On-Premises
Company Size Fit
Startup, SMB, Mid-Market, Enterprise
Open Source
GitHub Stars
108
Last Commit
Oct 2022
Use Cases & Capabilities
Proof Of Concept
Reconnaissance
Subdomain Enumeration
Web Scanning
Enumeration
Fingerprinting
WAF
Open Redirect
Wordlists
OWASP
Open Source
NIST CSF 2.0 Coverage
NIST CSF 2.0 Mapping
Access NIST CSF 2.0 data from thousands of security products via MCP to assess your stack coverage.
Access via MCPCore Features
- No features listed
- Directory and recursive directory discovery
- Subdomain enumeration
- Technology fingerprint detection (CMS, frameworks, infrastructure, HSTS)
- Passive WAF detection and WAF-safe scanning mode
- Controlled header and path bypass probing for 401/403 responses
- Smart auto-calibration for soft-404, wildcard, and DNS wildcard cases
- Response filtering by status, size, text, regex, and body length
- Resumable scan sessions with checkpoint autosave
Integrations
No integrations listed
PyPI
Homebrew
Docker
AUR (Arch User Repository)
BlackArch
OpenVPN
WireGuard
Community
Community Votes
0
1
Bookmarks
User Reviews
No reviews yet
No reviews yet
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