Bulk DMARC Lookup

Validate DMARC records for multiple domains at once. Perfect for managing large domain portfolios or conducting security audits.

Enter Domains for Bulk Validation
Enter multiple domains separated by new lines, commas, or semicolons. Maximum 50 domains per lookup.
View sample CSV format
0 domains entered

Batch Processing

Process up to 50 domains simultaneously for efficient bulk validation

File Upload

Upload .txt or .csv files containing your domain lists

Detailed Reports

Get comprehensive security assessments for each domain

About this Bulk DMARC Lookup tool

This tool checks and validates DMARC DNS records for multiple domains at once. It helps you quickly understand which domains have a valid DMARC policy configured and which ones need attention—ideal for audits, migrations, or ongoing security hygiene across a portfolio of domains.

Who is it for?

  • Security and IT teams auditing email authentication posture
  • MSPs and consultants managing many client domains
  • Domain portfolio owners and marketing operations teams
  • Engineers preparing for DMARC enforcement (p=quarantine/reject)

Key features

  • Validate up to 50 domains simultaneously
  • Flexible input: paste domains or upload .txt/.csv files
  • Fast checks for DMARC record presence and policy (p, sp)
  • Highlights common issues: syntax errors, missing tags, weak policies
  • Concise per-domain status to prioritize fixes

New to DMARC? Read our guideWhat is DMARC?to learn how it protects your domain from spoofing and phishing.