Don't send blind.

Know what's wrong
before you send.

Check your email, sending domain, and the public signals that can affect deliverability. No fake reputation score. Just useful answers.

Email

Sending domain

Public DNS checks run through Cloudflare DNS-over-HTTPS. Your email copy is analyzed in this browser. No mailbox password is needed.

01

Domain signals

SPF, DKIM, DMARC, MX, DNS health, domain age and blocklist signals where public data is available.

02

Email risks

Links, tracking patterns, unsubscribe language, formatting, length and common high-risk sales phrases.

03

Clear next step

Get Ready, Review or Fix, with the most important issue called out first.