๐Ÿš€ Passive Inbox Monitoring โ€” No Integrations Needed

Know exactly where your email lands

MailboxRadar embeds real seed addresses into your mailing lists and automatically captures every campaign send โ€” so you always know if you're hitting inboxes or spam folders across Gmail, Outlook, Yahoo, and more.

Domain Health Score Good
87
87/100
Overall Score
๐Ÿ”’ SPF Recordโœ“ Valid
๐Ÿ”‘ DKIM Signingโœ“ Passing
๐Ÿ›ก๏ธ DMARC Policyโš  Partial
๐Ÿ“ฌ Gmail Inbox Rate94%
๐Ÿ“ฌ Outlook Inbox Rate71%
๐Ÿšซ Blacklist StatusClean
๐ŸŒ SSL CertificateValid (87 days)

Most email issues go completely unnoticed

By the time you realize something's wrong, you've already missed thousands of potential customers.

๐Ÿšจ

Silent Spam Filtering

Email providers quietly route your messages to spam without any bounce or error. Your open rates tank, but you have no idea why. It can go on for weeks before you notice โ€” if ever.

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Existing Tools Require Experts

MXToolbox and similar platforms are built for sysadmins who understand DNS and mail headers. Most marketers and business owners have no idea what a DMARC quarantine policy means or how to fix it.

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One-Time Tests Miss Ongoing Problems

Snapshot tools give you a score today โ€” but not tomorrow. A DNS misconfiguration, a new blacklist listing, or a policy change can silently break everything overnight.

Works with your ESP: Mailchimp Klaviyo HubSpot ActiveCampaign Constant Contact ConvertKit SendGrid Brevo + any other ESP

Up and running in under 5 minutes

No developer needed. No complex integrations. Just add emails and send.

1

Add Seed Addresses to Your List

We give you unique monitoring email addresses for Gmail, Outlook, Yahoo, iCloud, and more. Add them to your existing mailing list โ€” no code changes, no API required.

2

Send Your Campaign As Normal

Continue using your existing ESP โ€” Mailchimp, Klaviyo, HubSpot, or any other platform. Our seed addresses automatically receive every campaign you send.

3

Get a Full Placement Report

See exactly which folder your email landed in at each provider โ€” inbox, spam, promotions, or missing. Full header analysis and score impact included.

Everything you need to protect your deliverability

From passive seed monitoring to one-click DNS fixes โ€” MailboxRadar has you covered.

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Seed Inbox Monitoring

Real addresses at Gmail, Outlook, Yahoo, iCloud, AOL, Comcast, and ProtonMail capture every send automatically. Know your inbox placement passively, without manual tests.

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Blacklist Alerts

Monitor 50+ blacklists continuously across Tier 1, 2, and 3. Get instant alerts the moment you appear on any list, with step-by-step delisting instructions included.

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DNS Authentication

Validate SPF, DKIM, DMARC, and BIMI records automatically. See your score impact in plain language โ€” not raw DNS output. Registrar-specific fix guides included.

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Domain Health Score

A single 0โ€“100 score combining authentication, reputation, performance, and uptime. Track trends over time and see exactly what's dragging your score down.

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SSL & Site Uptime

Multi-region uptime monitoring at 30-second intervals. SSL expiry warnings at 90, 60, and 30 days. Never let a lapsed certificate hurt your sending reputation.

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Done-For-You Fix Services

Can't fix it yourself? Our team handles SPF/DKIM/DMARC setup, blacklist removal, full infrastructure audits, and BIMI implementation โ€” starting at $49.

View all features โ†’

Start free. Scale when you need to.

No contracts, no hidden fees. Cancel anytime.

Free
$0
forever
Up to 1 domain monitored with full health scoring.
  • 1 domain monitored
  • DNS authentication checks
  • Blacklist monitoring
  • Domain health score
Get Started
Business
$149
/ month
Up to 25 domains monitored with full health scoring.
  • 25 domains monitored
  • DNS authentication checks
  • Blacklist monitoring
  • Domain health score
Get Started
View all plans โ†’

Start monitoring in 5 minutes

Join thousands of marketers who never worry about inbox placement again.

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