Run a free email deliverability test for DNS authentication, sender setup, and cold-email copy risk.
Checks MX, SPF, DKIM, DMARC, subject length, links, and spam-risk language in one pass.
Risky
36
DNS score
0/56
Run a DNS lookup
Copy score
35/40
28 words, 0 links
DNS diagnostics appear here after the first lookup.
Aim for 45-170 words for a first-touch email.
A useful deliverability page should pair the checker with practical guidance on inbox placement, spam folders, authentication, and how to improve a low score.
The tool combines domain authentication checks with cold-email copy diagnostics. It looks for MX records, one clean SPF record, a DMARC policy, an optional DKIM selector, risky phrases, links, subject length, message length, and personalization signals.
A high score means the basic sending foundation is present and the message is not obviously risky. A low score usually points to missing authentication, a monitoring-only DMARC policy, excessive links, spam-trigger phrasing, or copy that is too short to carry context.
Fix hard infrastructure gaps before rewriting copy. Publish SPF, add DMARC, verify the DKIM selector from your sending provider, then retest copy. Once authentication is clean, test subject lines, targeting, and reply-focused CTAs.
An email deliverability test checks whether your sending domain, authentication records, and message content are likely to support inbox placement instead of spam placement.
Common causes include missing SPF, DKIM, or DMARC records, weak sender reputation, too many links, spammy phrases, poor list quality, and copy that lacks relevance.
No checker can guarantee inbox placement. It identifies common technical and content risks so you can fix obvious issues before scaling sends.
Yes. Test before a new domain, new inbox pool, new sending tool, or major copy change, then monitor bounces and replies after launch.
Email spam checker
Paste outbound copy and get risky words, link density, formatting, and rewrite guidance.
DMARC checker
Live TXT lookup with plain-English interpretation of p=none, quarantine, reject, rua, and pct.
DKIM checker
Selector and domain lookup that validates DKIM syntax and common provider selectors.
SPF record checker
SPF lookup with include count, multiple-record warnings, and hard/soft fail guidance.
