Re: [Exim] host lookup problem

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Auteur: Steve Haslam
Date:  
À: Exim Users List
Sujet: Re: [Exim] host lookup problem
On Tue, Dec 14, 1999 at 02:26:01PM -0000, John Horne wrote:
> Not sure its related but when I used nslookup to check this I got a
> non-authoritative answer:


Oh, yes:

bash$ host -v -t MX ixl.com ns.toc.ixl.com
Server: ns.toc.ixl.com
Address: 216.99.0.132

Query about ixl.com for record types MX
Trying ixl.com ...
Query done, 2 answers, authoritative status: no error
ixl.com                 1800    IN    MX    100 mailconn2.ixl.com
 !!! ixl.com MX host mailconn2.ixl.com is not canonical
ixl.com                 1800    IN    MX    10 mailconn1.ixl.com
 !!! ixl.com MX host mailconn1.ixl.com is not canonical
Authority information:
ixl.com                 1800    IN    NS    ns.toc.ixl.com
ixl.com                 1800    IN    NS    ns2.toc.ixl.com
ixl.com                 1800    IN    NS    ns3.toc.ixl.com
Additional information:
ns.toc.ixl.com          86400    IN    A    216.99.0.132
ns2.toc.ixl.com         86400    IN    A    216.99.0.133
ns3.toc.ixl.com         86400    IN    A    207.15.160.188
bash$ host -v -t A mailconn1.ixl.com ns.toc.ixl.com
Server: ns.toc.ixl.com
Address: 216.99.0.132


Query about mailconn1.ixl.com for record types A
Trying mailconn1.ixl.com ...
Query done, 2 answers, status: no error
The following answer is not authoritative:
mailconn1.ixl.com       1800    IN    CNAME    srvntsxconn1.toc.ixl.com
srvntsxconn1.toc.ixl.com    86400    IN    A    216.99.0.136
Trying srvntsxconn1.toc.ixl.com ...
Query done, 1 answer, status: no error
The following answer is not authoritative:
srvntsxconn1.toc.ixl.com    86400    IN    A    216.99.0.136


Yeah, their servers seem confused about what they're authoritative
about. toc.ixl.com has the same NS information as ixl.com, so it's not
a question of needing to use different servers...

I wouldn't have thought this was sufficient to stop mail delivery
though.

SRH
-- 
Steve Haslam, Production Engineer, Excite UK     steve.haslam@???
                               i sit and stare at the gun pointed at my head
                                       and think about all the possibilities