Debian 11 Bullseye
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BIND : Verify Resolution
2021/08/18
[1] Restart BIND to apply changes.
root@dlp:~#
systemctl restart named

[2] Change DNS setting to refer to own DNS if need.
root@dlp:~#
vi /etc/resolv.conf
# change to self IP address

domain srv.world
search srv.world
nameserver 10.0.0.30
[3] Verify Name and Address Resolution. If [ANSWER SECTION] is shown, that's OK.
root@dlp:~#
dig dlp.srv.world. 


; <<>> DiG 9.16.15-Debian <<>> dlp.srv.world.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23909
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: cdd92de195cd8dff01000000611b71b6786a499d37643dec (good)
;; QUESTION SECTION:
;dlp.srv.world.                 IN      A

;; ANSWER 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 Aug 17 17:22:14 JST 2021
;; MSG SIZE  rcvd: 86
root@dlp:~#
dig -x 10.0.0.30 


; <<>> DiG 9.16.15-Debian <<>> -x 10.0.0.30
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2652
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; COOKIE: cedd918f1e69ab0a01000000611b71da95392b4d51f55947 (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.

;; Query time: 0 msec
;; SERVER: 10.0.0.30#53(10.0.0.30)
;; WHEN: Tue Aug 17 17:22:50 JST 2021
;; MSG SIZE  rcvd: 106
Matched Content