Last updated: 2026-03-15
By Giovanni Lepori — Head of Customer Success at Hunter.io
A fast, free diagnostic of your domain’s email deliverability health. Understand authentication gaps, sender reputation issues, and readiness for inbox placement, and gain clear, actionable insights to improve performance across outreach campaigns.
Published: 2026-03-15
Know your domain's deliverability health and the exact issues affecting inbox placement.
Giovanni Lepori — Head of Customer Success at Hunter.io
A fast, free diagnostic of your domain’s email deliverability health. Understand authentication gaps, sender reputation issues, and readiness for inbox placement, and gain clear, actionable insights to improve performance across outreach campaigns.
Created by Giovanni Lepori, Head of Customer Success at Hunter.io.
Marketing manager at SMB aiming to improve cold email inbox rates, Sales team lead optimizing outbound campaigns for higher reply rates, Freelance outreach consultant auditing client domains for deliverability
Basic understanding of sales processes. Access to CRM tools. 1–2 hours per week.
instant-health-check. domain-authentication-issues. inbox-placement-improvement
$0.25.
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