dns not work

Posted on

hi,
i tried to configure dns server on centos 7.
yum install bind bind-utils -y
hostnamectl
Static hostname: master-node.y.com
The above in name server with domain y.com and ip 192.168.1.5
more /etc/named.conf

options {
listen-on port 53 { 127.0.0.1; 192.168.1.5; }; ; where 192.168.1.5 is ns ip.
allow-query { localhost; 192.168.1.0/24; };

more /etc/named.rfc1912.zones
zone "1.0.0.127.in-addr.arpa" IN {
type master;
file "named.loopback";
allow-update { none; };
};

zone "0.in-addr.arpa" IN {
type master;
file "named.empty";
allow-update { none; };
};
zone "y.com" IN { type master;
file "example.forward.zone";
allow-update { none; };
};
zone "1.168.192.in-addr.arpa" IN {
type master;
file "example.reverse.zone";
allow-update { none; };
};

more /var/named/example.forward.zone
$TTL 1D
@ IN SOA master-node.y.com. root.master-node.y.com. (
0 ;
1D ;
1H ;
1W ;
3H ) ;
IN NS master-node.y.com.
master-node IN NS 192.168.1.5
more /var/named/example.reverse.zone
$TTL 1D
@ IN SOA master-node.y.com. root.master-node.y.com. (
0 ;
1D ;
1H ;
1W ;
3H ) ;
IN NS master-node.y.com.
5 IN PTR master.y.com.

nslookup master-node
Server: 192.168.1.5
Address: 192.168.1.5#53

** server can't find master-node: NXDOMAIN
nslookup master-node.y.com
Server: 192.168.1.5
Address: 192.168.1.5#53

Name: master-node.y.com.y.com
Address: 192.168.1.5

[root@master-node ~]# nslookup 192.168.1.5
5.1.168.192.in-addr.arpa name = master.y.com.

.

more /etc/sysconfig/network-scripts/ifcfg-ens33
TYPE="Ethernet"
PROXY_METHOD="none"
BROWSER_ONLY="no"
BOOTPROTO=static
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
NAME="ens33"
UUID="384686cc-b670-4ce1-8d6b-02b0113be571"
DEVICE="ens33"
ONBOOT="yes"
IPADDR=192.168.1.5
GATEWAY=192.168.1.1
DNS1="192.168.1.5"

more /etc/resolv.conf
search y.com
nameserver 192.168.1.5

mt

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