Newsgroups: comp.protocols.tcp-ip.domains
Path: utzoo!utgpu!cunews!nrcnet0!vm.nrc.ca!RRH
From: RRH@vm.nrc.ca
Subject: Finding hostnames - .... Thanks
Message-ID: <1991Apr17.195147.18401@nrcnet0.nrc.ca>
Sender: root@nrcnet0.nrc.ca (Operator)
Nntp-Posting-Host: vm.nrc.ca
Organization: National Research Council
Date: 17 Apr 1991 15:33:32 EDT

Thanks again. The problem was the wildcard MX record for ***our***
domain. It seems quite a few people got caught in that situation
initially.

So in brief for the all new DNS managers:

Most of the managers have decided that the wildcards were more trouble
than they were worth and removed it.

The only place a wildcard MX record should be used is for off-internet
hosts. For all the hosts in your domain, they should be known by
you, the DNS maanger, and MXed accordingly.

For folks in Canada, it is likely that *.NRC.CA MX record
might be the table if you got it from Ca registrary.

Ratilal