Free deliverability tool
Rather than running four separate lookups, Email DNS Checker consolidates the core records every outbound team needs: SPF, DKIM, DMARC, and MX. It is the practical starting point for domain audits, client onboarding, and pre-campaign checklists.
Built for B2B teams, operators, and agencies who need clear DNS and deliverability signals — not buried technical noise.
Use the domain in your From address or return-path.
Improves DKIM accuracy when your ESP publishes a specific selector.
Fix gaps in DNS, then re-run after propagation (often minutes to hours).
Authentication fixes deliverability at the domain level. DevBoxy free email verifier helps you clean addresses before campaigns go out.
