---
title: "DNS Health Checker - Free checker | FirstSales"
description: "The DNS Health Checker runs a comprehensive audit of all DNS records and configuration. Get a complete DNS health report."
canonical: "https://firstsales.io/tools/dns-health-checker/"
---

100% Free • No SignupDomain & DNS Toolschecker

# DNS Health Checker

Run comprehensive DNS health audit checking all record types and configuration. Works instantly without signup.

Instant Results

No Signup

[Home](/)/[Tools](/tools/)/DNS Health Checker

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DNS Health Checker

Check Email Health

Run a comprehensive health check on any email address covering syntax, DNS, mail servers, and provider quality.

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

## Key Features

Full audit

All records

Health score

Issue detection

Recommendations

## Use Cases

1

DNS audit

2

Health monitoring

3

Issue prevention

4

Configuration review

Tool Info

Typechecker

Free

Yes

Signup

Not Required

Related Tools

[DNS Record LookupLookup all DNS record types (A, AAAA, CNAME, MX, NS, TXT, SOA) for any domain](/tools/dns-record-lookup/)[Domain Age CheckerCheck how old a domain is and when it was first registered](/tools/domain-age-checker/)[Domain Expiration CheckerCheck when a domain expires and get renewal reminders for your domains](/tools/domain-expiration-checker/)[WHOIS LookupGet WHOIS registration information for any domain including owner, registrar, and contacts](/tools/whois-lookup/)[SPF Record CheckerValidate your domain's SPF record and identify misconfigurations that block email delivery](/tools/spf-record-checker/)[DKIM Record CheckerVerify your DKIM DNS record is correctly published and properly signing outgoing emails](/tools/dkim-record-checker/)

Start your $1 trial

Automated cold email sequences

Smart deliverability tools

Built-in analytics

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

## About DNS Health Checker

The DNS Health Checker runs a comprehensive audit of all DNS records and configuration. Get a complete DNS health report.

## Automate Your Domain & DNS Tools

This free tool is great for quick checks. FirstSales automates your entire domain & dns tools 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)