a lot of thanks. it is quite clear now. now another small query.
is it possible to trace the name/address of the NS/MX?

P.S. the email address was of the format [EMAIL PROTECTED]
is there any importance of this mn is this regard?

jaybrata

----- Original Message -----
From: "Alok Dugar" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Wednesday, March 26, 2003 8:38 PM
Subject: Re: [ilug-cal] [OT] can't resolve the address yet mail is delivered


> a particular address need not have a resolvable ip addresss as long as a
> machine on the net acts as a dns server and a mail exchange (NS / MX)
> for the domain.
>
> the dns server might be redirecting the MX record to the machine which
> actually acts as the server.
>
> abc.com dns server might be hosted on say ns3.xyz.com
> the MX of abc.com might be say mx.xyz.com
>
> even though the specific domain might not have any ip address.
>
> hope this clarifies.
>
> ciao
> alok
>
> ----Original Message Follows----
> From: "Jaybrata Bhattacharyya" <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> To: "[ILUG] Kolkata" <[EMAIL PROTECTED]>,   "[ILUG] Help" <linux-
> suppose you have a email address [EMAIL PROTECTED]
> my email service provider correctly delivers mail
> to [EMAIL PROTECTED] . yet i can not resolve the IP address
> of xyz.com . this has happened to a email address
> i know. i can tell you the address in case you really
> need it. why and how does it happen? can you help
> me?
>
> jaybrata
>
>
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