DNS / MX / SPF / DMARC Inspector
Resolve DNS records and email-authentication posture for a domain.
- slug
- dns-inspector
- visibility
- Public
- risk
- safe
- level
- 0
What this tool does.
Performs live DNS lookups for A, AAAA, MX, NS, TXT and CAA records on a given domain, then flags SPF and DMARC presence.
Intended as a compact, readable replacement for chaining dig commands.
Run this tool.
Submit an input and see the runner output here. Execution is server-side and governed by the policy shown in the sidebar.
Everything runs server-side. Inputs and outputs are subject to the tool's policy shown in the sidebar.
Dev-docs · 2 documents.
Related articles.
SPF, DKIM and DMARC: What They Reveal and What They Don't
Email authentication records are not silver bullets. Here is how to interpret them responsibly.
Getting Started with Public Surface Analysis
A beginner-friendly walkthrough of what you can responsibly learn from a public URL.
A Responsible Method for Reconnaissance on Public Web Surfaces
Reconnaissance is not inherently malicious. Here is how to do it ethically, legally and systematically.
How to Turn Weak Signals into Better Questions
OSINT is not about finding smoking guns. It is about asking better questions.