Debian 9 Stretch
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Set CNAME
2017/06/21
 
If you'd like to set another name to your Host, define CNAME record in zone file.
[1] Set CNAME record in a zone file.
root@dlp:~#
vi /etc/bind/srv.world.lan 
$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
# update serial

        2017062102  ;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.
root@dlp:~#
rndc reload

server reload successful
root@dlp:~#
dig ftp.srv.world. 


; <<>> DiG 9.10.3-P4-Debian <<>> ftp.srv.world.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27731
;; 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: Thu Jun 22 11:42:35 JST 2017
;; MSG SIZE  rcvd: 90
 
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