BIND : Start and Verify Resolution2019/05/09 |
[1] | Start and Enable BIND. |
[root@dlp ~]# systemctl start named [root@dlp ~]# systemctl enable 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. (replace device name [ens2] to your own environment) |
[root@dlp ~]# nmcli connection modify ens2 ipv4.dns 10.0.0.30 [root@dlp ~]# nmcli connection down ens2; nmcli connection up ens2 |
[4] | Verify Name or Address Resolution. |
[root@dlp ~]# dig dlp.srv.world. ; <<>> DiG 9.11.6-P1-RedHat-9.11.6-3.P1.fc30 <<>> dlp.srv.world. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17297 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: c98a95f73cbc1d4987c69e3b5cd3e29cd55b3a3c5b76ab1b (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: 3 msec ;; SERVER: 10.0.0.30#53(10.0.0.30) ;; WHEN: Thu May 09 19:19:40 JST 2019 ;; MSG SIZE rcvd: 100[root@dlp ~]# dig -x 10.0.0.30 ; <<>> DiG 9.11.6-P1-RedHat-9.11.6-3.P1.fc30 <<>> -x 10.0.0.30 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19802 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: b2c5f3ce1071e92ac9570e8d5cd3e2bf52abb37975288f37 (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: Thu May 09 19:20:15 JST 2019 ;; MSG SIZE rcvd: 136 |
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