Mxtoolbox
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About Mxtoolbox
MxToolbox provides a comprehensive MX lookup tool that allows users to check DNS MX records for any domain. It also offers diagnostics to verify mail server configurations and check against DNS blacklists.
Check your domain's MX records and diagnose email delivery issues.
What You Can Do
- Perform MX record lookups
- Verify reverse DNS records
- Check against DNS blacklists
- Measure mail server response times
- Access detailed diagnostics
Frequently Asked Questions
What is an MX record?
An MX record is a type of DNS record that specifies the mail server responsible for receiving email on behalf of a domain.
How can I check my domain's MX records?
You can enter your domain name into the MX lookup tool on MxToolbox to retrieve its MX records.
What does the diagnostics feature do?
The diagnostics feature connects to the mail server to verify configurations and check for issues like open relays.
Is there a cost to use MxToolbox?
MxToolbox offers free tools for basic use, but additional features may require a subscription.
How often should I check my MX records?
It's a good practice to check your MX records whenever you make changes to your email server settings or experience delivery issues.