Domain Health Checker

Check your domain's email deliverability configuration. Verify SPF, DKIM, DMARC, MX records and more. Free DNS health check tool.

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domain
health checker

verify your email sending configuration for maximum deliverability

6 DNS checks
SPF/DKIM/DMARC
External tools

tl;dr

Domain Health Checker Check your domain's email deliverability configuration. Verify SPF, DKIM, DMARC, MX records and more. Free DNS health check tool.

Check Your Domain Configuration

Proper DNS configuration is the foundation of email deliverability. Verify SPF, DKIM, and DMARC records are set up correctly.

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Frequently asked questions

What DNS records do I need for email?

At minimum, you need SPF, DKIM, and DMARC records configured. MX records are needed if you receive email on the domain.

What records does the Domain Health Checker verify?

The tool verifies SPF, DKIM, DMARC, and MX records to ensure proper email deliverability configuration.

Why is my DMARC record important?

DMARC helps prevent email spoofing and phishing by providing instructions for handling unauthenticated emails.

Can this tool fix my DNS records?

No, the tool only checks and reports the status of DNS records. You must update them via your DNS provider.

How often should I check my domain's health?

It's recommended to check your domain's health monthly or before major email campaigns.

Does the tool store any data?

No, the tool does not store any domain data; it only performs live checks and displays results.

Is the Domain Health Checker free to use?

Yes, the tool is completely free to use without any limitations.

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Example: Domain Health Checker in action

A small business owner wants to ensure their email domain is properly configured for deliverability.

Sample input

  • Domain: example.com

Result

SPF Record: Valid (v=spf1 include:_spf.google.com ~all) DKIM Record: Valid (DKIM signature found) DMARC Record: Missing MX Records: Valid (mx1.mailserver.com, mx2.mailserver.com) Overall Health: Moderate - DMARC record is missing, which can impact email deliverability.

About Domain Health Checker

The Domain Health Checker is an essential tool for anyone responsible for managing email communications. By verifying key DNS records such as SPF, DKIM, and DMARC, it helps ensure emails are authenticated and delivered successfully. Proper configuration of these records is crucial to prevent emails from being marked as spam or rejected. Additionally, the tool checks MX records to ensure emails are routed correctly to your mail servers. Regular checks can help maintain optimal email deliverability and protect your domain's reputation.

How it works

  1. Enter your domain name in the tool.
  2. The tool queries DNS records for SPF, DKIM, DMARC, and MX configurations.
  3. Results are displayed showing the validity and configuration status of each record.
  4. Recommendations are provided if any issues are detected.

When to use it

  • A marketing team checks their domain's health before a large email campaign.
  • An IT specialist verifies DNS settings after migrating to a new email provider.
  • A domain owner troubleshoots deliverability issues reported by users.
  • An MSP audits client domains for email security compliance.