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操作系统版本：
[root@node named]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 6.6 (Santiago)
Linux下设置DNS的位置主要是，
1网卡设置配置文件里面DNS服务器地址设置，
2.系统默认DNS服务器地址设置。
3,hosts文件指定
生效顺序是：
1 hosts文件
2 网卡配置文件DNS服务地址
3 /etc/resolv.conf
安装DNS
yum install bind -y
1 [root@gs2node named]# cat /etc/named.conf
2 //
3 // named.conf
4 //
5 // Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
6 // server as a caching only nameserver (as a localhost DNS resolver only).
7 //
8 // See /usr/share/doc/bind*/sample/ for example named configuration files.
9 //
10
11 options {
12 listen-on port 53 { any; };
13 listen-on-v6 port 53 { ::1; };
14 directory "/var/named";
15 dump-file "/var/named/data/cache_dump.db";
16 statistics-file "/var/named/data/named_stats.txt";
17 memstatistics-file "/var/named/data/named_mem_stats.txt";
18 allow-query { any; };
19 recursion yes;
20
21 dnssec-enable yes;
22 dnssec-validation yes;
23 dnssec-lookaside auto;
24
25 /* Path to ISC DLV key */
26 bindkeys-file "/etc/named.iscdlv.key";
27
28 managed-keys-directory "/var/named/dynamic";
29 };
30
31 logging {
32 channel default_debug {
33 file "data/named.run";
34 severity dynamic;
35 };
36 };
37
38 zone "." IN {
39 type hint;
40 file "named.ca";
41 };
42
43 include "/etc/named.rfc1912.zones";
44 include "/etc/named.root.key";
1 [root@node named]# cat /etc/named.rfc1912.zones
2 // named.rfc1912.zones:
3 //
4 // Provided by Red Hat caching-nameserver package
5 //
6 // ISC BIND named zone configuration for zones recommended by
7 // RFC 1912 section 4.1 : localhost TLDs and address zones
8 // and http://www.ietf.org/internet-drafts/draft-ietf-dnsop-default-local-zones-02.txt
9 // (c)2007 R W Franks
10 //
11 // See /usr/share/doc/bind*/sample/ for example named configuration files.
12 //
13
14 zone "localhost.localdomain" IN {
15 type master;
16 file "named.localhost";
17 allow-update { none; };
18 };
19
20 zone "localhost" IN {
21 type master;
22 file "named.localhost";
23 allow-update { none; };
24 };
25
26 zone "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
27 type master;
28 file "named.loopback";
29 allow-update { none; };
30 };
31
32 zone "1.0.0.127.in-addr.arpa" IN {
33 type master;
34 file "named.loopback";
35 allow-update { none; };
36 };
37
38 zone "0.in-addr.arpa" IN {
39 type master;
40 file "named.empty";
41 allow-update { none; };
42 };
43
44 zone "cbf.com" IN{
45 type master;
46 file "cbf.com.zone";
47 };
48
49 zone "4.168.192.in-addr.arpa" IN {
50 type master;
51 file "4.168.192.zone";
52 };
1 [root@node named]# pwd
2 /var/named
3 [root@node named]# cat 4.168.192.zone
4 $TTL 1D
5 @ IN SOA ns.cbf.com. root (
6 0 ;serial
7 1D ;refresh
8 1H ;retry
9 1w ;expire
10 3H ) ;minimum
11 IN NS ns.cbf.com.
12 92 IN PTR www.cbf.com.
13
14 [root@node named]# cat cbf.com.zone
15 $TTL 1D
16 @ IN SOA ns.cbf.com. root (
17 0 ;serial
18 1D ;refresh
19 1H ;retry
20 1w ;expire
21 3H ) ;minimum
22 NS ns.cbf.com.
23 MX 5 mail.cbf.com.
24 www IN A 192.168.4.92
25 ns IN A 192.168.4.92
26 mail IN A 192.168.4.92
27 smtp IN A 192.168.4.92
28 pop3 IN A 192.168.4.92
29 pop IN A 192.168.4.92
检查防火墙状态
1 [root@node named]# service iptables status
2 iptables: Firewall is not running.
[root@node named]# getenforce
Disabled
检查53端口
1 [root@node named]# netstat -anlpe | grep named
2 tcp 0 0 192.168.1.70:53 0.0.0.0:* LISTEN 25 1291049098 17887/named
3 tcp 0 0 6.55.4.171:53 0.0.0.0:* LISTEN 25 1291049096 17887/named
4 tcp 0 0 127.0.0.1:53 0.0.0.0:* LISTEN 25 1291049094 17887/named
5 tcp 0 0 127.0.0.1:953 0.0.0.0:* LISTEN 25 1291049103 17887/named
6 tcp 0 0 ::1:53 :::* LISTEN 25 1291049100 17887/named
7 tcp 0 0 ::1:953 :::* LISTEN 25 1291049104 17887/named
8 udp 0 0 192.168.1.70:53 0.0.0.0:* 25 1291049097 17887/named
9 udp 0 0 6.55.4.171:53 0.0.0.0:* 25 1291049095 17887/named
10 udp 0 0 127.0.0.1:53 0.0.0.0:* 25 1291049093 17887/named
11 udp 0 0 ::1:53 :::* 25 1291049099 17887/named
12 unix 2 [ ] DGRAM 1291049077 17887/named
启动DNS服务
service named start
==========================
本地测试
1 [root@node named]# service iptables status
2 iptables: Firewall is not running.
3 [root@node named]# getenforce
4 Disabled
5 [root@node named]# nslookup www.cbf.com
6 Server: 127.0.0.1
7 Address: 127.0.0.1#53
8
9 Name: www.cbf.com
10 Address: 192.168.4.92
11
12 [root@node named]# nslookup mail.cbf.com
13 Server: 127.0.0.1
14 Address: 127.0.0.1#53
15
16 Name: mail.cbf.com
17 Address: 192.168.4.92
18
19 [root@node named]# nslookup smtp.cbf.com
20 Server: 127.0.0.1
21 Address: 127.0.0.1#53
22
23 Name: smtp.cbf.com
24 Address: 192.168.4.92
25
26 [root@node named]# nslookup 192.168.4.92
27 Server: 127.0.0.1
28 Address: 127.0.0.1#53
29
30 92.4.168.192.in-addr.arpa name = www.cbf.com.
==========================
客户端测试
1 [root@node2 ~]# cat /etc/resolv.conf
2 nameserver <node IP>
3 [root@node2 ~]# nslookup 192.168.4.92
4 Server: 16.155.14.171
5 Address: 16.155.14.171#53
6
7 92.4.168.192.in-addr.arpa name = www.cbf.com.
8
9 [root@node2 ~]# nslookup www.cbf.com
10 Server: 16.155.14.171
11 Address: 16.155.14.171#53
12
13 Name: www.cbf.com
14 Address: 192.168.4.92
问题一：
1 [root@node named]# cat gs.ct.com.zone
2 $TTL 1D
3 @ IN SOA ns.gs.ct.com. root (
4 0 ;serial
5 1D ;refresh
6 1H ;retry
7 1w ;expire
8 3H ) ;minimum
9
10 @ IN NS ns.gs.ct.com.
11 IN MX 5 mail.gs.ct.com.
12 GS IN A 16.155.14.12
1 [root@node named]# service named restart
2 Stopping named: [ OK ]
3 Starting named:
4 Error in named configuration:
5 zone localhost.localdomain/IN: loaded serial 0
6 zone localhost/IN: loaded serial 0
7 zone 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa/IN: loaded serial 0
8 zone 1.0.0.127.in-addr.arpa/IN: loaded serial 0
9 zone 0.in-addr.arpa/IN: loaded serial 0
10 zone gs.ct.com/IN: NS 'ns.gs.ct.com' has no address records (A or AAAA)
11 zone gs.ct.com/IN: not loaded due to errors.
12 _default/gs.ct.com/IN: bad zone
13 zone 14.155.16.in-addr.arpa/IN: loaded serial 0
14 [FAILED]
解决方法：
修改/var/named/gs.ct.com.zone 文件
1 [root@node named]# cat gs.ct.com.zone
2 $TTL 1D
3 @ IN SOA ns.gs.ct.com. root (
4 0 ;serial
5 1D ;refresh
6 1H ;retry
7 1w ;expire
8 3H ) ;minimum
9
10 @ IN NS GS.gs.ct.com.
11 IN MX 5 mail.gs.ct.com.
12 GS IN A 16.155.14.12
[root@node named]# service named restart
Stopping named: [ OK ]
Starting named: [ OK ]
[root@node named]# nslookup 16.155.14.12
Server: 127.0.0.1
Address: 127.0.0.1#53
12.14.55.6.in-addr.arpa name = GS.gs.ct.com.
来源：https://www.cnblogs.com/coreloving/p/11287874.html |
发表于 2019-8-2 12:20:00