MX Lookup Mail Server Domain by Email Address

Download Chilkat Email ActiveX

How to find the mail server for a given email address. Returns the domain name of the primary mail server.

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<%
set mailman = Server.CreateObject("Chilkat.MailMan2")

'  Any string argument automatically begins the 30-day trial.
success = mailman.UnlockComponent("30-day trial")
If (success <> 1) Then
    Response.Write "Component unlock failed" & "<br>"

End If

'  Should return "mail.chilkatsoft.com"

mailServerHostname = mailman.MxLookup("support@chilkatsoft.com")

Response.Write mailServerHostname & "<br>"
%>
</body>
</html>