Email DNS Health

Language

Match user's language: Respond in the same language the user uses.

Overview

A zero-dependency email DNS health checker that uses dig and jq to audit SPF, DKIM, DMARC, BIMI, MTA-STS, and MX records. It detects email providers, counts SPF DNS lookups against the 10-lookup limit, grades overall email health A-F, and provides actionable fix guidance.

Commands