Fedora 34
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BIND : Verify Resolution2021/05/05
[1] Start and Enable BIND.
[root@dlp ~]#
systemctl enable --now named

[2] If Firewalld is running, allow DNS service. DNS uses [53/TCP,UDP].
[root@dlp ~]#
firewall-cmd --add-service=dns --permanent

success
[root@dlp ~]#
firewall-cmd --reload

success
[3] Change DNS setting to refer to own DNS if need.
(replace [enp1s0] to your own environment).
[root@dlp ~]#
nmcli connection modify enp1s0 ipv4.dns 10.0.0.30

[root@dlp ~]#
nmcli connection down enp1s0; nmcli connection up enp1s0

[4] Verify Name and Address Resolution. If [ANSWER SECTION] is shown, that's OK.
[root@dlp ~]#
dig dlp.srv.world. 


; <<>> DiG 9.16.11-RedHat-9.16.11-5.fc34 <<>> dlp.srv.world.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37182
;; 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.          86400   IN      A       10.0.0.30

;; Query time: 1 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed May 05 21:05:41 JST 2021
;; MSG SIZE  rcvd: 58
[root@dlp ~]#
dig -x 10.0.0.30 


; <<>> DiG 9.16.11-RedHat-9.16.11-5.fc34 <<>> -x 10.0.0.30
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 42118
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, 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: 1 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed May 05 21:06:16 JST 2021
;; MSG SIZE  rcvd: 78
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