dnsviz ☆

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Description:
Tools for analyzing and visualizing DNS and DNSSEC behavior

Type: Formula | Latest Version: 0.11.1@2 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Networking

Tags: dns dnssec networking security visualization diagnostics

Install: brew install dnsviz

About:
DNSViz is a powerful suite of command-line tools designed for analyzing, debugging, and visualizing DNS and DNSSEC configurations. It performs deep inspection of DNS responses to validate DNSSEC signatures, trust chains, and other critical DNS records. Its primary value is providing detailed diagnostic reports and graphical representations to identify complex DNS infrastructure issues.

Key Features:

Generates detailed diagnostic reports on DNSSEC validation status
Creates graphical visualizations of DNS chains using Graphviz
Performs comprehensive queries for A, AAAA, MX, NS, and other record types
Supports both online resolution and offline analysis of packet captures

Use Cases:

Troubleshooting DNSSEC validation failures and trust anchor issues
Auditing and documenting DNS infrastructure configurations
Analyzing DNS responses for security vulnerabilities or misconfigurations

Alternatives:

dig – DNSViz provides visual analysis and DNSSEC-specific validation, whereas dig is a more general-purpose DNS lookup utility.
drill – Similar DNSSEC validation capabilities, but DNSViz excels at generating comprehensive visual reports.

License: GPL-2.0-or-later

Dependencies: cryptography, graphviz, openssl@3, python@3.14

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, sonoma, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Oct 12, 2024 5:32pm		0	VERSION_BUMP	5d4ad73c
Sep 13, 2024 3:04am		0	VERSION_BUMP	5c395766