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security
February 2025

How to check my domain email security?

Use IntoDNS.AI to instantly scan your domain for SPF, DKIM, DMARC, DNSSEC, MTA-STS, and BIMI configuration with a security grade from A+ to F.

Detailed Answer

Checking your domain's email security involves verifying multiple authentication protocols and DNS configurations.

Quick check with IntoDNS.AI:

  1. Go to https://intodns.ai
  2. Enter your domain name
  3. Get an instant security grade (A+ to F) based on 50+ checks

What gets checked:

  • SPF: Is your SPF record valid? Are all senders authorized?
  • DKIM: Are DKIM keys published? Are they strong enough (2048-bit+)?
  • DMARC: Do you have a DMARC policy? What enforcement level?
  • DNSSEC: Is your DNS signed and validated?
  • MTA-STS: Is TLS enforced for incoming email?
  • BIMI: Is your brand logo configured for email clients?
  • Blacklists: Are your mail servers on any blocklists?
  • MX Records: Are mail servers properly configured?

What you get:

  • Security grade with detailed breakdown
  • Plain-language AI explanations of every issue
  • Copy-paste fix suggestions for each problem
  • PDF report export for documentation

Free tools to fix issues:

  • SPF Generator: https://intodns.ai/tools/spf-generator
  • DMARC Generator: https://intodns.ai/tools/dmarc-generator
  • MTA-STS Generator: https://intodns.ai/tools/mta-sts-generator
  • BIMI Generator: https://intodns.ai/tools/bimi-generator

Check your domain now

Use IntoDNS.ai to scan your domain and get instant security insights.

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Related Questions

What is SPF, DKIM, and DMARC?

SPF, DKIM, and DMARC are email authentication standards that verify sender identity and prevent email spoofing.

How to test email deliverability?

Test email deliverability by checking SPF/DKIM/DMARC authentication, monitoring blacklist status, and sending test emails to seed accounts.

How to setup an SPF record?

Create a DNS TXT record at your root domain with format: v=spf1 include:_spf.google.com ~all