BIND : Start and Verify Resolution2018/11/02 |
[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 [ens3] to your own environment) |
[root@dlp ~]# nmcli connection modify ens3 ipv4.dns 10.0.0.30 [root@dlp ~]# nmcli connection down ens3; nmcli connection up ens3 |
[4] | Verify Name or Address Resolution. |
[root@dlp ~]# dig dlp.srv.world. ; <<>> DiG 9.11.4-P2-RedHat-9.11.4-10.P2.fc29 <<>> dlp.srv.world. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 50664 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: 7616eec98a582785c4038ba55bdbdb06d072061eae5513f9 (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: Fri Nov 02 14:05:10 JST 2018 ;; MSG SIZE rcvd: 100[root@dlp ~]# dig -x 10.0.0.30 ; <<>> DiG 9.11.4-P2-RedHat-9.11.4-10.P2.fc29 <<>> -x 10.0.0.30 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27282 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: a2dac59269d9ca8f2dfbe2cc5bdbdb27b6a9ff3e50bcb06d (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: Fri Nov 02 14:05:43 JST 2018 ;; MSG SIZE rcvd: 136 |
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