---
title: "Domain Email Validator - Free validator | FirstSales"
description: "The Domain Email Validator checks if a domain is configured to receive email. Verify MX records, A records, and test SMTP connectivity to ensure email"
canonical: "https://firstsales.io/tools/domain-email-validator/"
---

100% Free • No SignupEmail Validation & Verificationvalidator

# Domain Email Validator

Verify a domain can receive emails by checking MX records, A records, and SMTP connectivity. Works instantly without signup.

Instant Results

No Signup

[Home](/)/[Tools](/tools/)/Domain Email Validator

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Domain Email Validator

Validate Your Email Address

Step-by-step validation against industry standards

[Stop doing this by hand. FirstSales runs your email validation & verification on autopilot, 24/7.Start your $1 trial](https://app.firstsales.io)

## Key Features

MX verification

A record check

SMTP test

Capability assessment

Status reporting

## Use Cases

1

Domain verification

2

Capability checking

3

Pre-send testing

4

Configuration audit

Tool Info

Typevalidator

Free

Yes

Signup

Not Required

Related Tools

[Email Address ValidatorValidate any email address for syntax, domain existence, and mailbox deliverability](/tools/email-address-validator/)[Bulk Email VerifierUpload a CSV of email addresses and get instant verification results with deliverability status](/tools/bulk-email-verifier/)[Disposable Email DetectorCheck if an email address uses a temporary or disposable email provider like Guerrilla Mail or Temp Mail](/tools/disposable-email-detector/)[Catch-All Domain DetectorDetermine if a domain is configured as catch-all, accepting all emails regardless of mailbox existence](/tools/catch-all-domain-detector/)

Start your $1 trial

Automated cold email sequences

Smart deliverability tools

Built-in analytics

[Start your $1 trial ](https://app.firstsales.io/)

## About Domain Email Validator

The Domain Email Validator checks if a domain is configured to receive email. Verify MX records, A records, and test SMTP connectivity to ensure email capability.

## Automate Your Email Validation & Verification

This free tool is great for quick checks. FirstSales automates your entire email validation & verification workflow with AI-powered personalization and 87% inbox placement.

[Start your $1 trial](https://app.firstsales.io)

Setup in 8 minutes • Cancel anytime

## FAQs

Your questions answered

Can't find what you're looking for? Contact our [customer support team](mailto:support@firstsales.io)

### General

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### Deliverability

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Can't find what you're looking for? Contact our [customer support team](mailto:support@firstsales.io)