Start BIND2017/07/17 |
| [1] | Start and Enable BIND. |
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[root@dlp ~]# systemctl start named [root@dlp ~]# systemctl enable named |
| [2] | If Firewalld is running, allow DNS service. DNS uses 53/TCP,UDP. |
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[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 con mod ens3 ipv4.dns 10.0.0.30 [root@dlp ~]# nmcli con down ens3; nmcli con up ens3 |
| [4] | Make sure the server can resolve domain names or IP addresses. |
|
[root@dlp ~]# dig dlp.srv.world. ; <<>> DiG 9.11.1-P2-RedHat-9.11.1-2.P2.fc26 <<>> dlp.srv.world. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52309 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: a7a1ffb0d1c0c044dbd9a7cb596d65f304515044387162c8 (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: Tue Jul 18 10:35:47 JST 2017 ;; MSG SIZE rcvd: 100[root@dlp ~]# dig -x 10.0.0.30 ; <<>> DiG 9.11.1-P2-RedHat-9.11.1-2.P2.fc26 <<>> -x 10.0.0.30 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 25558 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: a74ccbc15db8d19cb6fca0d2596d661314e80b11e0987524 (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: Tue Jul 18 10:36:19 JST 2017 ;; MSG SIZE rcvd: 136 |
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