Set CNAME2015/11/21

	If you'd like to set another name to your Host, define CNAME record in a zone file.
[1]	Set CNAME record in zone file.

dlp:~ #

vi /var/lib/named/srv.world.lan

$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (

# update serial

        2015112102  ;Serial

        3600        ;Refresh
        1800        ;Retry
        604800      ;Expire
        86400       ;Minimum TTL
)

        IN  NS      dlp.srv.world.
        IN  A       10.0.0.30
        IN  MX 10   dlp.srv.world.

dlp     IN  A       10.0.0.30

# [ aliase IN CNAME server's name ]

ftp     IN  CNAME   dlp.srv.world.

dlp:~ #

systemctl restart named

dlp:~ #

dig ftp.srv.world.


; <<>> DiG 9.9.6-P1 <<>> ftp.srv.world.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43395
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;ftp.srv.world.              IN      A

;; ANSWER SECTION:
ftp.srv.world.       86400   IN      CNAME   dlp.srv.world.
dlp.srv.world.       86400   IN      A       10.0.0.30

;; AUTHORITY SECTION:
srv.world.           86400   IN      NS      dlp.srv.world.

;; Query time: 0 msec
;; SERVER: 10.0.0.30#53(10.0.0.30)
;; WHEN: Fri Nov 20 16:53:33 JST 2015
;; MSG SIZE  rcvd: 93

Matched Content