BIND : Start and Verify Resolution2018/05/08 |
| [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) |
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[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. |
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[root@dlp ~]# dig dlp.srv.world. ; <<>> DiG 9.11.3-RedHat-9.11.3-6.fc28 <<>> dlp.srv.world. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 28784 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: d142e7eae143b885abb78e945af17d443c837fbcdca96c18 (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 May 08 19:34:44 JST 2018 ;; MSG SIZE rcvd: 100[root@dlp ~]# dig -x 10.0.0.30 ; <<>> DiG 9.11.3-RedHat-9.11.3-6.fc28 <<>> -x 10.0.0.30 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 40622 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: ecd3beaf07960e1e16f83fca5af17d6827c42f9afcdbb0dd (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 May 08 19:35:20 JST 2018 ;; MSG SIZE rcvd: 136 |
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