I'm trying to get/verify an MX record using TDnsQuery.

1. How can I do this asynchronously? There doesn't appear to be an
MXLookupASync() function.
2. How can I set the "Addr" property to the system's normal DNS?
3. Should I use TCP or UDP and what is the difference when it comes to
getting an MX record?

Basically, I just want to verify that there's an MX record for the domain of
an email address. Is there an easier way to do this?

Thanks for any help you can provide.

Albert Wiersch
AI Internet Solutions

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