MX record and PTR questions
wally
wallyx3 at yahoo.com.au
Tue Jun 21 00:31:46 UTC 2005
Hi there, something always bugged me with MX records.
In most domain setup examples we see an mx record setup such as
(and forgive the exact syntax - this is just an example)
domain.com.au MX 10 mail.domain.com.au
mail A 202.123.456.789
My question is - does the name "mail" have any significance at all or
is just an alias that is resolved by the A record. If my server was
called server1 (or fred or whatever) could I still set it up as:
domain.com.au MX 10 mail.domain.com.au
mail A 202.123.456.789
server1 A 202.123.456.789 ; is this record even needed????
or would it be best to set it up as
domain.com.au MX 10 server1.domain.com.au
server1 A 202.123.456.789
Also if my server was called server1 - would the reverse PTR have to
read server1.domain.com.au or the name specified in the MX record (in
the first case mail.domaim.com.au)
Hope someone can set me straight.
Cheers
Wally
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