> AFAIK, no, that is wrong. The PTR for a MX should point to a
> full name, including domain and host. Example, many hosting
> company's use the wildcard A record (domain without host) to
> point to their website, so that people do not have to type
> in www in the URL address of a browser to get to a web site.
How do you expect that to happen in the real world where IP
addresses are limited and ISPs use the same box with the same
IP address for multiple services? According to the Bind Book
it is allowable to have multiple PTR records to one IP address.
What is it that is wrong, the book? a new RF? Besides I did not
say that the MX record should not point to a full name I was only
referring to the PTR records.
(that's in reference to the reverse look up record)
Perhaps I misunderstood you...?
----------------------------------------------------------------------------
---------
PTR Address to name mapping used in arpa file
----------------------------------------------------------------------------
---------
MX Enhanced mail routing record
example.com MX 5 Mail.example.com
Depicts Mail is the relay agent for example.com and the preferred
value is 5
this will be the first mail server to use unless another mail server
is
added with a lower value. If no MX record exists some servers will
attempt
to send mail to the host's address.
----------------------------------------------------------------------------
---------
Regards,
Tom
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