Free Email Security Tools
Check SPF, DMARC, DKIM, BIMI, MTA-STS, and TLS-RPT records for any domain. Instant results, no signup.
SPF Record Checker
Analyze your SPF record, count DNS lookups, and visualize the full include tree. See if you're over the 10-lookup limit.
Use tool NewDomain Auth Checker
Check all 5 email authentication protocols at once — SPF, DMARC, BIMI, MTA-STS, and TLS-RPT. Get an overall health score.
Use tool NewDMARC Record Generator
Create a valid DMARC record in 60 seconds. Choose your policy, configure reporting, set alignment — copy directly into DNS.
Use toolDMARC Record Checker
Validate your DMARC policy, check alignment settings, and see if aggregate reporting is configured correctly.
Use toolDKIM Record Lookup
Auto-discover DKIM records across 50+ selectors. Identify SendGrid, Google Workspace, Microsoft 365, and 100+ providers — or look up a specific selector.
Use toolBIMI Checker
Check your BIMI record, preview your brand logo, and verify VMC certificate status for any domain.
Use toolMTA-STS Checker
Validate MTA-STS DNS records and policy files. Check TLS enforcement mode, authorized MX hosts, and policy cache duration.
Use tool NewSPF Record Generator
Build a valid SPF record in 60 seconds. Select your email providers, add custom IPs, choose your policy — copy the result into your DNS.
Use toolSPF Record Lookup
Look up any domain's SPF record from live DNS. See the raw record, expand nested includes, and count lookups.
Use toolSPF Validator
Validate any SPF record for syntax errors, DNS lookup violations, void lookups, and full RFC 7208 compliance.
Use toolSPF Glossary
Reference guide for SPF mechanisms, qualifiers, and modifiers. Understand ip4, include, redirect, all, and more.
Use toolWhat These Tools Check
Monitor all your domains in one place
DMARC Report tracks SPF, DKIM, and DMARC authentication across all your domains. Actionable reports, free tier available.
View Plans & PricingWhat Our Customers Say
Rated 4.8/5 on G2 · 469 verified reviews
Dave G.
Owner
"DMARC Report has been invaluable in fixing email deliverability issues for our clients"
DMARC Report dashboard allows us to see easily what is compliant and what isn't compliant so we can quickly fix issues.
Antoine L.
"Incredible Service for an affordable price"
The software is easy to use and has also an entry friendly free plan up to 1,000 mails per month.
Zunaid K.
Director
"Essential tool for email delivery"
This tool helps us to implement DMARC reporting for our domains in an easy to use manner.