Re: [cobalt-users] RAQ2 - Still Can't send mail to AOL HELP!

[Jeff Lasman <jblists@xxxxxxxxxxxxx>]

Paul Alcock wrote:

> Thanks Dan,
> but I'm not sending mail through raq1.agilitysystems.com ! :(
> (At least I don't think I am!)
> It should be going through raq2.agilitysystems.com

Watch carefully, Paul, and I'll do some magic for you <smile>... be sure
to watch the hands; they move more quickly than the eye...

<snip>
[jlasman@alpha jlasman]$ nslookup raq2.agilitysystems.com
Server:         207.86.87.1
Address:        207.86.87.1#53

Non-authoritative answer:
Name:   raq2.agilitysystems.com
Address: 64.135.71.137
Name:   raq2.agilitysystems.com
Address: 64.135.71.133

[jlasman@alpha jlasman]$ nslookup 64.135.71.133
Server:         207.86.87.1
Address:        207.86.87.1#53

Non-authoritative answer:
133.71.135.64.in-addr.arpa      name = raq2.agilitysystems.com.

Authoritative answers can be found from:
71.135.64.in-addr.arpa  nameserver = ns1.usda.net.
71.135.64.in-addr.arpa  nameserver = ns2.usda.net.
ns1.usda.net    internet address = 64.135.0.60
ns2.usda.net    internet address = 64.135.0.61

[jlasman@alpha jlasman]$ nslookup 64.135.71.137
Server:         207.86.87.1
Address:        207.86.87.1#53

Non-authoritative answer:
*** Can't find 137.71.135.64.in-addr.arpa.: No answer

Authoritative answers can be found from:
71.135.64.in-addr.arpa
        origin = ns1.usda.net.
        mail addr = dnsadmin.ix.usda.net.
        serial = 2002012501
        refresh = 21600
        retry = 3600
        expire = 604800
        minimum = 900

[jlasman@alpha jlasman]$
<snip>

Note that you've got two IP#s for this machine name.  One is answered
unauthoritatively and the other isn't answered.

Bad reverse DNS.  Case Closed.  Be sure to listen again next week when
we present the case of the missing DNS-server <smile>.

Jeff
-- 
Jeff Lasman <jblists@xxxxxxxxxxxxx>
Linux and Cobalt/Sun/RaQ Consulting
nobaloney.net
P. O. Box 52672, Riverside, CA  92517
voice: (909) 778-9980  *  fax: (702) 548-9484