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MX record pointing to IP address, not A record?

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Bob Marcan

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Mar 18, 1998, 3:00:00 AM3/18/98
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Is this regular?

mail MX nnn.nnn.nnn.nnn


TIA, Bob

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Bob Marcan, Unicom d.o.o., Letaliska 33, 1000 Ljubljana, Slovenija
Email: mailto:B...@uniaxp.unicom.si (mailto:BMa...@unicom.si)
Tel: (+386) 61 14 04 111, Fax: (+386) 61 14 04 092

Alex Kamantauskas

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Mar 19, 1998, 3:00:00 AM3/19/98
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In article <350FADC8...@uniaxp.unicom.si>, Bob Marcan <b...@uniaxp.unicom.si> wrote:
>Is this regular?
>
>mail MX nnn.nnn.nnn.nnn
>
>
>TIA, Bob
>

I assume you mean that the MX record is pointing to an IP address. No, that
is not regular. The MX record has to point to a name, not a number.

It also needs a preference, ie. mail MX 10 xxx.tld

Barry Margolin

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Mar 20, 1998, 3:00:00 AM3/20/98
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In article <350FADC8...@uniaxp.unicom.si>,
Bob Marcan <b...@uniaxp.unicom.si> wrote:
>Is this regular?
>
>mail MX nnn.nnn.nnn.nnn

No, it's not valid at all. MX and NS records are defined to point to
hostnames, that's it.

--
Barry Margolin, bar...@bbnplanet.com
GTE Internetworking, Powered by BBN, Cambridge, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.

Cricket Liu

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Mar 20, 1998, 3:00:00 AM3/20/98
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On Wed, 18 Mar 1998 11:19:36 +0100, Bob Marcan <b...@uniaxp.unicom.si>
wrote:

>Is this regular?
>
>mail MX nnn.nnn.nnn.nnn

No. It's missing a preference as the first resource record-specific
data field and the second field must be a domain name, not an IP
address.


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