#1DNS reconnaissance, monitoring, tunneling detection, and DNS security analysis tools.
Kitploit recommended

Portable DNS resolver in Rust — .numa local domains, ad blocking, developer overrides
A simple application that extracts your IoCs from garbage input and checks their reputation using multiple CTI services.

The most exhaustive list of reliable DNS resolvers.

Fast passive subdomain enumeration tool.

An active monitoring software to detect failures before your customers do.

secator - the pentester's swiss knife

Fast YAML-based vulnerability scanner with template-driven detection engine for automated security testing across web apps, APIs, networks, DNS, and…

A Linux CLI utility that transparently routes all system traffic through the Tor network using nftables. It enables rapid IP rotation and easy…

JA4+ is a suite of network fingerprinting standards

Feature-rich single-binary file server for red teamers and developers. HTTP/S · WebDAV · FTP/SFTP · SMB · LDAP/S · NTLM hash capture · DNS/SMTP…

reconFTW is a tool designed to perform automated recon on a target domain by running the best set of tools to perform scanning and finding out…

Transparent proxy server that works as a poor man's VPN. Forwards over ssh. Doesn't require admin. Works with Linux and MacOS. Supports DNS…

the TCPdump network dissector

Open-source network IDS/IPS/NSM engine for real-time traffic inspection, intrusion detection and prevention, protocol analysis, and rule-based threat…

Squid Web Proxy Cache - Source Code

Single-page web dashboard for Meshtastic mesh networks with live network mapping, packet analysis, chat, sensor telemetry, and topology…

Per-process network monitoring for your terminal with deep packet inspection. Cross-platform, sandboxed.

Real-time malicious traffic detection system using public blacklists, static malware trails, and heuristic analysis to identify threats across DNS,…