[CentOS] How to set the hostname alias in DNS server

Thu Apr 7 01:18:26 UTC 2011
sync <jiannma at gmail.com>

Hi ,all:

There has a problem which confused me for a long time . The problem is the

Would I can set the hostname alias in DNS server?

That's to say,  for example , if  my hostname is called server,  that it's
ip address is
and I want to alias another name called aaa

Gernerally, I can edit the /etc/hosts file to modify it, but the another
computer did not recognise it.
How could I do it ?

Thanks in advanced ....
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