Web Digital — Deliverability Checker

Check Spam / Inbox / Promotional signals — DNS helpers, scorecard & actionable steps.

Free tool
Contact: [email protected]

Quick Deliverability Check

Enter a sender email or domain to run a quick client-side check. For deeper DNS checks this tool uses DNS-over-HTTPS (Cloudflare). If your browser blocks cross-origin requests, the page will provide commands you can run locally.

Technical helpers

Click a command to copy. Run these in your terminal to inspect DNS and headers.

MX lookup 
dig MX +short example.com
SPF (TXT) lookup 
dig TXT +short example.com
DMARC record 
dig TXT +short _dmarc.example.com
DKIM (replace selector) 
dig TXT selector._domainkey.example.com

Inbox / Promotional Guidance

This section helps you diagnose whether content or sending practices push mail to Promotions or Spam.