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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.
| audit | audit | Full email DNS health check with grade | | check-spf | check-spf | SPF validation with DNS lookup counting | | check-dkim | check-dkim [selector] | DKIM key validation (auto-detects selectors) | | check-dmarc | check-dmarc | DMARC policy validation | | detect-provider | detect-provider | Detect email provider from MX/SPF |
Audit and validate email DNS records (SPF, DKIM, DMARC, BIMI, MTA-STS, MX) for any domain. Detect email providers, count SPF DNS lookups, grade overall health A-F, and provide fix guidance. Use when the user says 'check email DNS', 'audit SPF/DKIM/DMARC', 'email deliverability check', 'detect email provider', 'fix email DNS', 'setup email records', 'email health score', or 'update DNS records'. Source: psylch/email-dns-health-skill.