Email & Deliverability · SPF / DKIM / DMARC
DNS / MX / SPF / DMARC Inspector
Resolve DNS records and email-authentication posture for a domain.
- slug
- dns-inspector
- visibility
- Public
- risk
- safe
- level
- 0
activesafemvp
01overview
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.
02documentation
Dev-docs · 2 documents.
editorial
Related articles.
guideApr 20, 2026
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.
guideApr 20, 2026
Getting Started with Public Surface Analysis
A beginner-friendly walkthrough of what you can responsibly learn from a public URL.
guideApr 20, 2026
A Responsible Method for Reconnaissance on Public Web Surfaces
Reconnaissance is not inherently malicious. Here is how to do it ethically, legally and systematically.
articleApr 20, 2026
How to Turn Weak Signals into Better Questions
OSINT is not about finding smoking guns. It is about asking better questions.