Domain not found

phn at icke-reklam.ipsec.nu phn at icke-reklam.ipsec.nu
Fri Nov 22 16:20:24 UTC 2002


Martin Skjoldebrand <mns at tz.forumsyd.org> wrote:

> Hi,

> We are experiencing something weird in our DNS server(-s).

> Users are reporting that they can't mail to some domains,
> among them hotmail.com. However doing:

> dig @212.209.75.120 mx hotmail.com

> brings up a long list of mail server. And I can do

> uname -a | mail -v -sTest user at hotmail.com 

> from the DNS server and get through to the mx server on
> hotmail.

> FUBAR at hotmail.com... Connecting to mx1.hotmail.com. via
> esmtp...
> 220 mc9-f7.bay6.hotmail.com Microsoft ESMTP MAIL Service,
> Version:
> 5.0.2195.5600 ready at  Fri, 22 Nov 2002 04:21:42 -0800 
>>>> EHLO stigfinnaren.forumsyd.se
> 250-mc9-f7.bay6.hotmail.com (02.00.05.0005) Hello
> [195.242.49.154]
> 250-SIZE 3565158
> 250-PIPELINING
> 250-8bitmime
> 250-BINARYMIME
> 250-CHUNKING
> 250-VRFY
> 250-AUTH LOGIN
> 250-AUTH=LOGIN
> 250-X-HMAUTH
> 250 OK
>>>> MAIL From:<root at stigfinnaren.forumsyd.se> SIZE=131
> 250 root at stigfinnaren.forumsyd.se....Sender OK


> etc


> However, when sending mail from our mail server using our
> DNS server mail to trouble domains (incl hotmail.com)
> bounce with the following error (First Class server):


> Sorry. Your message could not be delivered to:

> hotmail.com
> 	(domain name not found)


> After 30 min. on support with UUnet the problem seems to be
> on our end. But I can't seems to understand where.
> Any suggestions?

> /M.

> mvh/ Regards,

> Martin S.
> CTO, Forum Syd

This is the second time posting (?)


My guess is that it's your domain that's having problem.

the answer from hotmas read "domain name not found"

Do your mailserver have a fqdn visible on Internet ? Does it have 
working correct reverse ?




-- 
Peter Håkanson         
        IPSec  Sverige      ( At Gothenburg Riverside )
           Sorry about my e-mail address, but i'm trying to keep spam out,
	   remove "icke-reklam" if you feel for mailing me. Thanx.


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