by Robert Hashemian
Domain Mail Server/Exchanger (MX Records) Lookup
What is the MX record?
Type in the email address or the domain name, then hit 'MX Lookup' to get the Mail Server/Exchanger info.
Enter an email address or a domain name without the extra www or other host names (e.g. firstname.lastname@example.org or example.com).
Helpful Information about MX records
Internet Email systems rely on DNS MX Records to transmit Emails between domains (known as
zones in DNS jargon).
The MX Record in the host known as the Mail Exchanger (Mail Server) that is responsible for
receiving the emails bound for that particular domain. Domains can have multiple MX Records,
each normally specifying a different host with a priority level. Hosts with lower priority
level are to be contacted first as emails are sent to the domain.
Email servers normally run a program known as MTA (mail transfer agent)
that conforms to the SMTP protocol with port 25 as the default listening port.
If a domain (zone) does not have
a specified MX Record, the A Record (Address Record) for the zone is normally used as the Mail Server/Exchanger/MTA host.
Need more DNS information on a domain? try whois.
Want DNS information on your computer? try whoami.
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