funky result when I do an nslookup for the MX record

[Mark_Andrews at isc.org]

> 
> I'm setting up a DNS server for Domain1.com.  Domain1.com's DNS and
> mail is currently handled by Domain2.net.  The plan is to host our own
> DNS so we are going to point our domain name (Domain1.com) to our new
> DNS server but we want to keep using Domain2.net's mail server and web
> server for a week of so.  I created recors for the web server and it
> works fine.  I created a MX record for the mail server but get a funky
> result when I do an nslookup for the MX record:
> 
> > set q=mx
> > domain1.org
> Server:  Domain1.org
> Address:  99.88.77.66.
> 
> Domain1.org       preference = 0, mail exchanger = smtp.Domain2.net
> Domain1.org       nameserver = dns.domain1.org
> nicholas.sspca.org      internet address = 99.88.77.66
> 
> 
> Notice there is no address for smtp.Domain2.net.
> 
> My question(s) is: Will this cause any problems?

	No.  This is standard behaviour.  Any MTA that depends upon
	receiving the address records in the additional section is
	broken.

>  Why is the address
> for smtp.Domain2.net not displayed when I do an  nslookup for the MX
> record?

	Because the server didn't have the records cached to be able
	to return them.

	Mark
 
> Thanks
> 
> Colin
> 
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews at isc.org