CentOS 5
Set CNAME
  If you'd like to set another name to your Host, define CNAME record in zone file.

[1] Set CNAME record in zone file.
[root@ns ~]#
vi /var/named/server-linux.info.wan


$TTL
86400

@
IN
SOA
ns.server-linux.info. root.server-linux.info. (

# update serial

2007041501
;Serial

3600
;Refresh

1800
;Retry

604800
;Expire

86400
;Minimum TTL

)
IN
NS
ns.server-linux.info.

IN
A
172.16.0.82

IN
MX 10
ns.server-linux.info.


ns
IN
A
172.16.0.82

# aliase IN CNAME server's name

ftp
IN
CNAME
ns.server-linux.info.


[root@ns ~]#
rndc reload

server reload successful