[UPHPU] CNAME or A for MX value

Velda velda at novapages.com
Thu Jul 3 16:29:39 MDT 2008


BTW, I didn't include the priority in that syntax.  It can be 0 of 
course if you don't use more than one mail server, and the priority goes 
after MX and before the FQDN.

example.com. MX 0 somemxserver.googleorsomeotherplace.com.



Velda wrote:
> Wade Preston Shearer wrote:
>> I have the following DNS record:
>>
>> example.com, MX, mail.example.com
>>
>>
>> …then…
>>
>> mail.example.com, A, 192.168.1.1
>>
>>
>> This works but would it be more proper to have the "mail.example.com" 
>> record be a CNAME?
>
> A cname would point to another domain, not an IP.  So you could do this:
>
> example.com. MX somemxserver.googleorsomeotherplace.com.
> mail.example.com. CNAME somemxserver.googleorsomeotherplace.com.
>
> Or this:
>
> example.com. MX yourmailserver.example.com.
> yourmailserver A 123.123.123
>
> And if yourmailserver.example.com should resolve to the same IP as 
> example.com:
>
> example.com MX example.com
> mail CNAME example.com.
>
> For what its worth..
>
>
> Velda
>
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