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For System & Network Admins

Comprehensive Domain &
DNS Checker Tool

Analyze your domain's DNS health, MX (Email) servers, SPF, DKIM, and DMARC security records live with a single click.

Enter Domain to Check

What You Need to Know About DNS Records

We explain the records critical for your email deliverability and website accessibility.

Why is the MX Record Important?

MX (Mail Exchanger) records are the address signposts that indicate to which server on the internet (e.g., Microsoft 365, Google Workspace) an email sent to your domain should be delivered.

Warning: If your MX record is missing or incorrect, incoming email cannot reach you and is returned to the sender as an error.

Why are SPF, DKIM, and DMARC Necessary?

These 3 security records are security seals that prevent spoofed emails from being sent on your behalf. They contain a list of servers authorized by you.

  • Major providers like Google and Yahoo drop emails from senders without these records directly into SPAM.

Contact Us for Enterprise Email Migration and Security Infrastructure

Rely on Doz Technology's expertise for Microsoft 365, Google Workspace migration, and email security (SPF, DKIM, DMARC) settings.

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