Subscan - CLI tool for subdomain recon

What it does

CLI tool for subdomain recon, DNS brute-force, scoring & security probes — written in Go. - omerimzali/subscan

• SE
  Subdomain Enumeration CLI2024 · github.com · ▲11
• DB
  DNS Benchmark Tool – Compare and monitor resolversNov 2025 · github.com · ▲59

  I built a CLI to benchmark DNS resolvers after discovering DNS was adding 300ms to my API requests. v0.3.0 just released with new features: compare: Test single domain across all resolvers top: Rank resolvers by latency/reliability/balanced monitor: Continuous tracking with threshold alerts 1,400+ downloads in first week. Quick start: pip install dns-benchmark-tool dns-benchmark compare --domain google.com CLI stays free forever. Hosted version (multi-region, historical tracking, alerts) coming Q1 2026. GitHub: https://github.com/frankovo/dns-benchmark-tool…

• 
  Bearer CLI2023 · ▲174

  Free & open source security scanner for developers

• 
  GitHub2025 · ▲6

  subdomain-scanner200ok

• CP
  CLI Pastebin Tool in Go2014 · github.com · ▲18
• FS
  Fast subdomain enumerator written in Rust2022 · github.com · ▲23

  Hello! I'm learning Rust and also information security, so what better way to learn than to put a tool together practicing both skills? I've tried to use a couple of different tools for subdomain enumeration (part of the Discovery-party when it comes to penetration testing), but none of them were very fast, even if the DNS resolver I pointed them towards is, so I wrote my own tool that leverages concurrency to check a lot of subdomains, fast! It's written in Rust, main parts being using Tokio and async_channels, and I think it works good enough for a first release. I wanted to get recursive…

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