[dns-operations] about list's MX

hua peng huapeng at arcor.de
Mon May 26 07:37:20 UTC 2014

于 2014-5-26 15:02, SM 写道:
>> If no MX provided, how will the messages be routed?
>    "The lookup first attempts to locate an MX record associated with the
>     name.  If a CNAME record is found, the resulting name is processed as
>     if it were the initial name."
>    "If an empty list of MXs is returned, the address is treated as if it
>     was associated with an implicit MX RR, with a preference of 0,
>     pointing to that host."

Thanks for all the helps.
Anyway I  think all the lists should have an explicit MX RR, which 
should not make confusing for MTA and people like me. :P

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