Re: [Exim] unrouteable mail domain

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Szerző: David Holland
Dátum:  
Címzett: exim-users
Tárgy: Re: [Exim] unrouteable mail domain
On Fri, Jun 23, 2000 at 04:22:01PM +0100, dss@??? wrote:
> I have noticed a few "unrouteable mail domain" messages appearing in the
> exim_mainlog, but in most cases when I look up the domains myself I have
> no trouble obtaining an MX record for them.


Yesterday? It could have been this:

| Date: Thu, 22 Jun 2000 12:36:32 +0100 (BST)
| From: ULCC Postmaster <Postmaster@???>
| To: uk-mail-managers@???
| Cc: Postmaster <Postmaster@???>
| Subject: Duff root nameserver
| 
| For your enjoyment, it appears to us that one of the root nameservers has
| no information about the .com domains.
| 
| UKERNA IT Support queried a problem with domain lookups and our investigation
| revealed that a.GTLD-SERVERS.NET is returning NXDOMAIN responses to
| .com lookups.
| 
| Eg:
| 
| dig microsoft.com @a.GTLD-SERVERS.NET.
| 
| ;; got answer:
| ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 6
| ;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
| ;; QUERY SECTION:
| ;;      microsoft.com, type = A, class = IN
| 
| 
| Bob Pockney


Cheers,
Dave
-- 
David Holland          -=*=-  Systems Administration Manager
http://www.3glab.com/  -=*=-  3G Lab, Cambridgeshire, UK