MX Record Checker
Check if domains use spam gateways like Proofpoint, Mimecast, or Barracuda that can block your cold emails. Upload a CSV to bulk check hundreds of domains.
Check Single Domain
Bulk Check (CSV)
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Drop your CSV file
Must have Website or Email column
What we check
- Proofpoint (pphosted.com)
- Mimecast
- Barracuda
- Cisco IronPort
- Symantec/MessageLabs
- And 10+ more gateways
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No Results Yet
Enter a domain or upload a CSV file to check MX records.