BIND : Verify Name Resolution2024/04/29 |
Verify name resolution and Check the settings are correct. |
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[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/netplan/01-netcfg.yaml # change to self IP address
nameservers:
addresses: [10.0.0.30]
root@dlp:~# netplan apply |
[3] | Verify Name and Address Resolution. If [ANSWER SECTION] is shown, that's OK. |
root@dlp:~# dig dlp.srv.world. ; <<>> DiG 9.18.24-0ubuntu5-Ubuntu <<>> dlp.srv.world. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63253 ;; 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: 0 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP) ;; WHEN: Mon Apr 29 10:58:53 UTC 2024 ;; MSG SIZE rcvd: 58root@dlp:~# dig -x 10.0.0.30 ; <<>> DiG 9.18.24-0ubuntu5-Ubuntu <<>> -x 10.0.0.30 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 34458 ;; 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: 0 msec ;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP) ;; WHEN: Mon Apr 29 11:00:13 UTC 2024 ;; MSG SIZE rcvd: 78 |
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