DNS Server - 3 Start Bind

Start BIND.

[root@dlp ~]# systemctl start named 

[root@dlp ~]# systemctl enable named

Change DNS settings that the server refer to local DNS service

[root@dlp ~]#

vi /etc/sysconfig/network-scripts/ifcfg-eth0

DNS1=

10.0.0.30

[root@dlp ~]# systemctl restart network 

Make sure the server can resolve domain names or IP addresses

[root@dlp ~]# dig dlp.server.world. 

; <<>> DiG 9.9.4-RedHat-9.9.4-14.el7 <<>> dlp.server.world.
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 41735
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;dlp.server.world.              IN      A

;; ANSWER SECTION:
dlp.server.world.       86400   IN      A       10.0.0.30

;; AUTHORITY SECTION:
server.world.           86400   IN      NS      dlp.server.world.

;; Query time: 1 msec
;; SERVER: 10.0.0.30#53(10.0.0.30)
;; WHEN: Thu Jul 10 14:43:35 JST 2014
;; MSG SIZE  rcvd: 75

[root@dlp ~]# dig -x 10.0.0.30 

; <<>> DiG 9.9.4-RedHat-9.9.4-14.el7 <<>> -x 10.0.0.30
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14268
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 2

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;30.0.0.10.in-addr.arpa.                IN      PTR

;; ANSWER SECTION:
30.0.0.10.in-addr.arpa. 86400   IN      PTR     dlp.server.world.

;; AUTHORITY SECTION:
0.0.10.in-addr.arpa.    86400   IN      NS      dlp.server.world.

;; ADDITIONAL SECTION:
dlp.server.world.       86400   IN      A       10.0.0.30

;; Query time: 1 msec
;; SERVER: 10.0.0.30#53(10.0.0.30)
;; WHEN: Thu Jul 10 14:44:39 JST 2014
;; MSG SIZE  rcvd: 111