Free Email Deliverability Tools
Check your domain health, generate authentication records, calculate revenue impact, and monitor blacklists — all free, no account needed.
Email Deliverability Health Check
Instant report card for your domain — SPF, DKIM, DMARC, blacklists, MX records, and overall sender score.
Email Revenue Loss Calculator
Calculate exactly how much revenue you're losing to the spam folder every month. The Spam Folder Tax Calculator.
DMARC Record Generator
Generate the correct DMARC TXT record in seconds — with plain-English explanations of every setting.
SPF Record Builder
Select your email services (Klaviyo, SendGrid, Google Workspace...) and get a valid SPF record instantly.
Email Blacklist Checker
Check if your domain or IP is listed on major email blacklists — with severity levels and delisting guides.
Want 24/7 Monitoring Instead of Manual Checks?
InboxEagle continuously monitors all of this for you — SPF/DKIM/DMARC, blacklists, inbox placement, and sender reputation — and alerts you the moment something changes.
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