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  • Detailed Explanation of Your Lookup Results
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LLMSTXT
MTA-STS
ROBOTSAI
TLSRPT
BIMI
DMARC
DKIM
DOMAIN
DNS
HTTP
HTTPS
DOMAIN BLACKLIST
TCP
SMTP
BLACKLIST
CNAME
WHOIS
SPF

DMARC Syntax Check

What you see when your domain has this problem
DMARC Syntax Invalid Details area Ignore

More Information About Dmarc Syntax Check

Monitor, detect and fix real world problems with your SPF and DKIM configuration
Get DMARC Email Delivery Reporting

The syntax within the DMARC record found is not valid. Invalid syntax in your DMARC record can impact email deliverability.

MxToolbox Delivery Center

This is one problem. Inbox providers check every layer.

Gmail, Yahoo! and Outlook check your email at several layers before it reaches the inbox. Delivery Center monitors and manages every one of them, so you find and fix problems before they cost you delivery.

  • DMARC, SPF & DKIM
  • Blacklists
  • Inbox Placement
  • Spam complaints
  • Impersonation protection
  • BIMI
  • Mailflow
  • Email MarketersTest inbox placement and stay inside bulk sender spam-rate limits.
  • DMARC AdoptersSee every sender and know when it's safe to enforce.
  • IT Email AdministratorsCatch DNS, authentication and mailflow changes with alerts.
See Delivery Center

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