[19465] in North American Network Operators' Group
RFC 974 - Mail Routing and the Domain System
daemon@ATHENA.MIT.EDU (Michael J. Maravillo)
Mon Sep 14 07:38:44 1998
Date: Mon, 14 Sep 1998 03:34:31 -0700 (PDT)
From: "Michael J. Maravillo" <maravillo@yahoo.com>
To: nanog@merit.edu
Hello,
'Just want to clarify something... is there a difference between:
domain.com. MX 10 mx1.domain.com.
domain.com. MX 10 mx2.domain.com.
domain.com. MX 10 mx3.domain.com.
;...
mx1.domain.com. IN A 10.0.0.1
mx2.domain.com. IN A 10.0.0.2
mx3.domain.com. IN A 10.0.0.3
and:
domain.com. MX 10 mx.domain.com.
;...
mx.domain.com. IN A 10.0.0.1
mx.domain.com. IN A 10.0.0.2
mx.domain.com. IN A 10.0.0.3
From RFC 974:
"...Note that multiple MXs may have the same preference value. In
this case, all MXs at with a given value must be tried before any of a
higher value are tried..."
Is the behaviour the same with the round-robined configuration?
Thanks in advance,
Mike
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