BIND : Verify Resolution2019/07/16

	Restart BIND to apply changes and Verify name or Address Resolution.
[1]	Change DNS setting to refer to local DNS.

root@dlp:~#

systemctl restart bind9

root@dlp:~#

vi /etc/resolv.conf

# change to own address

domain srv.world
search srv.world
nameserver

10.0.0.30

[2]	Try to resolv Name or Address normally.

root@dlp:~#

dig dlp.srv.world.


; <<>> DiG 9.11.5-P4-5.1-Debian <<>> dlp.srv.world.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55942
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 4d7dc810ee0afaa6c3256f115d2d4ffd9c70cf67412a4e9e (good)
;; QUESTION SECTION:
;dlp.srv.world.                 IN      A

;; ANSWER SECTION:
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: Tue Jul 16 19:18:05 JST 2019
;; MSG SIZE  rcvd: 100

root@dlp:~#

dig -x 10.0.0.30


; <<>> DiG 9.11.5-P4-5.1-Debian <<>> -x 10.0.0.30
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18132
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
; COOKIE: 777591e01deae66230c2736c5d2d5029a2956dbaf6ced141 (good)
;; 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.

;; AUTHORITY SECTION:
0.0.10.in-addr.arpa.    86400   IN      NS      dlp.srv.world.

;; ADDITIONAL SECTION:
dlp.srv.world.          86400   IN      A       10.0.0.30

;; Query time: 0 msec
;; SERVER: 10.0.0.30#53(10.0.0.30)
;; WHEN: Tue Jul 16 19:18:49 JST 2019
;; MSG SIZE  rcvd: 136

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