BIND : Start and Verify Resolution2018/05/08

	Restart BIND to take effect changes and make sure it's no ploblem.
[1]	Change DNS setting to refer to local DNS.

root@dlp:~#

vi /etc/netplan/01-netcfg.yaml

# change to own

    nameservers:
        addresses: [10.0.0.30]

root@dlp:~#

netplan apply

root@dlp:~#

systemctl restart bind9

[2]	Try to resolv Name or Address normally.

root@dlp:~#

dig dlp.srv.world.


; <<>> DiG 9.11.3-1ubuntu1-Ubuntu <<>> dlp.srv.world.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35748
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;dlp.srv.world.                 IN      A

;; ANSWER SECTION:
dlp.srv.world.          0       IN      A       10.0.0.30

;; Query time: 1 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue May 08 17:15:07 JST 2018
;; MSG SIZE  rcvd: 58

root@dlp:~#

dig -x 10.0.0.30


; <<>> DiG 9.11.3-1ubuntu1-Ubuntu <<>> -x 10.0.0.30
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52054
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;30.0.0.10.in-addr.arpa.                IN      PTR

;; ANSWER SECTION:
30.0.0.10.in-addr.arpa. 86400   IN      PTR     dlp.srv.world.

;; Query time: 2 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue May 08 17:16:52 JST 2018
;; MSG SIZE  rcvd: 118

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