MX Record
An MX (Mail Exchange) record is a DNS record that tells the internet which mail servers are responsible for receiving email for a domain.
When someone sends mail to your domain, their server looks up your MX records to find where to deliver it. A missing, wrong, or unreachable MX record means inbound email silently fails, which is why MX monitoring is a core part of mail reliability.
Can your domain even receive mail?
Look up your MX records and make sure incoming mail finds a reachable target. A wrong MX record makes mail fail silently. Free.
Related terms
DNS (Domain Name System)The Domain Name System (DNS) translates human-readable domain names like deinkunde.com into the IP addresses computers use to connect.SMTPSMTP (Simple Mail Transfer Protocol) is the protocol mail servers use to send and relay outgoing email.DNSBL / RBL (Blocklist)A DNSBL (DNS-based Blocklist), also called an RBL, is a published list of IP addresses or domains flagged for sending spam or malicious traffic.
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