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  • Subject: RE: domain validation for e-mail addresses
  • From: Phil Groschwitz <sublime78ska@xxxxxxxxx>
  • Date: Wed, 13 Sep 2000 07:37:44 -0700 (PDT)


--- Gary Patterson <midrange-l@nexsource.com> wrote:

> 
> There is an NSLOOKUP on OS/400 (I'm on V4R4), but it
> does not support MX
> lookups.
> 

NSLOOKUP supports looking up mx type records.
At the cmd line,
  key 'nslookup'
In the nslookup shell,
  key 'set type=mx'
  key 'us.ibm.com'

This will be returned:
us.ibm.com      preference = 20, mail exchanger =
e33.co.us.ibm.com 
us.ibm.com      preference = 20, mail exchanger =
e34.co.us.ibm.com 
us.ibm.com      preference = 5, mail exchanger =
e1.ny.us.ibm.com   
us.ibm.com      preference = 5, mail exchanger =
e2.ny.us.ibm.com   
us.ibm.com      preference = 5, mail exchanger =
e3.ny.us.ibm.com   
us.ibm.com      preference = 5, mail exchanger =
e4.ny.us.ibm.com   
us.ibm.com      preference = 10, mail exchanger =
e31.co.us.ibm.com 
us.ibm.com      preference = 20, mail exchanger =
e32.co.us.ibm.com 

To see what's available, key 'help' or '?' in the
shell.

Phil

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