Lets start with the basics. Troubleshooting Sambar DNS issues should not be that tuff. 
What OS you running?. Hopefully an NT based one that includes NSlookup. If you have a 
Linux box handy, Dig is even better. 

Use NSlookup / dig to determine where your DNS issues are coming from before 
attempting to debug the application.

start / run / "command"
nslookup

By default nslookup will connect to your first OS specified DNS server. It should also 
try to reverse its name to tell you who you are connected to..(unknowns are common) To 
test MX records simply change the DNS record type by entering. 
"set type MX"

Once in this mode just start entering domains to resolve and see what results you get 
from your OS default NS entry.

To test other DNS servers just change the server that nslookup is using by entering.
"server ipaddress"

whatever type mode your in will not change. 

For you Linux guys just use dig.
ie; 
dig domain.com @desiredDNSserver MX

Hope this helps finding your DNS issues.

Danny



On 31/Aug/2003 20:30:21, [EMAIL PROTECTED] (Joe Frazier)
 wrote:
> I tried using the DNS you suggested (who is it, anyway? Don't I have
> to use my ISP's DNS servers?) and it made no difference; I still get
> the same {No MX record found). BTW I'm not using the Sambar DNS
> server.
> 
> Also, everything worked fine until just a few days ago; that's what's
> REALLY throwing me for a loop, that it all worked fine for a year or
> more!
> 
> Any further suggestion for anyone would be appreciated! Thanks in
> advance.
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