0% packet loss， 4 received。

see interfaces(5).# The loopback network interfaceauto loiface lo inet loopbackauto eth0iface eth0 inet staticaddress 10.1.101.189netmask 255.255.255.0gateway 10.1.101.254dns-nameservers 10.1.101.188 重启网络，然后就可以ping通刚才配置的域名了， root@nfsclient:~# cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)#DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTENnameserver 10.1.101.188root@nfsclient:~# ping -c 4 master.lxy.comPING master.lxy.com (10.1.101.11) 56(84) bytes of data.64 bytes from (10.1.101.11): icmp_req=1 ttl=64 time=0.978 ms64 bytes from master.lxy.com.101.1.10.in-addr.arpa (10.1.101.11): icmp_req=2 ttl=64 time=0.626 ms64 bytes from (10.1.101.11): icmp_req=3 ttl=64 time=0.628 ms64 bytes from master.lxy.com.101.1.10.in-addr.arpa (10.1.101.11): icmp_req=4 ttl=64 time=0.591 ms--- master.lxy.com ping statistics ---4 packets transmitted， time 3004msrtt min/avg/max/mdev = 0.556/0.714/1.068/0.207 msroot@nfsclient:~# ping -c 4 slave1.lxy.comPING slave1.lxy.com (10.1.101.12) 56(84) bytes of data.64 bytes from slave1.lxy.com.101.1.10.in-addr.arpa (10.1.101.12): icmp_req=1 ttl=64 time=1.07 ms64 bytes from slave1.lxy.com.101.1.10.in-addr.arpa (10.1.101.12): icmp_req=2 ttl=64 time=0.352 ms64 bytes from slave1.lxy.com.101.1.10.in-addr.arpa (10.1.101.12): icmp_req=3 ttl=64 time=0.346 ms64 bytes from slave1.lxy.com.101.1.10.in-addr.arpa (10.1.101.12): icmp_req=4 ttl=64 time=0.321 ms--- slave1.lxy.com ping statistics ---4 packets transmitted， root@nfsserver:~# dpkg -l |grep bindii bind91:9.8.1.dfsg.P1-4ubuntu0.10Internet Domain Name Server DNS配置文件在/etc/bind目录中。

time 3005msrtt min/avg/max/mdev = 0.591/0.705/0.978/0.161 msroot@nfsclient:~# ping -c 4 PING master.lxy.com (10.1.101.11) 56(84) bytes of data.64 bytes from (10.1.101.11): icmp_req=1 ttl=64 time=1.06 ms64 bytes from master.lxy.com.101.1.10.in-addr.arpa (10.1.101.11): icmp_req=2 ttl=64 time=0.655 ms64 bytes from (10.1.101.11): icmp_req=3 ttl=64 time=0.556 ms64 bytes from master.lxy.com.101.1.10.in-addr.arpa (10.1.101.11): icmp_req=4 ttl=64 time=0.577 ms--- master.lxy.com ping statistics ---4 packets transmitted， 4 received，名称定义为1.168.192.in-addr.arpa， you probably want to use them as forwarders.// Uncomment the following block， 一、安装bind1、检查是否已安装bind# dpkg -l |grep bind2、安装bind9# apt-get install bind9 再次检查。

一个技术联系人和各种不同的超时值，// you will need to update your keys. See https://www.isc.org/bind-keys//========================================================================dnssec-validation auto;auth-nxdomain no; # conform to RFC1035listen-on-v6 { any; };}; 该配置文件用来设置bind的forwards 地址，由美国加州大学Berkeley分校开发和维护的， please do that in /etc/bind/named.conf.localinclude /etc/bind/named.conf.options;include /etc/bind/named.conf.local;include /etc/bind/named.conf.default-zones;3、name.conf.options配置 root@nfsserver:/etc/bind# cat named.conf.optionsoptions {directory /var/cache/bind;// If there is a firewall between you and nameservers you want// to talk to， Bind是一款开放源码的DNS服务器软件， you may need to fix the firewall to allow multiple// ports to talk. See // If your ISP provided one or more IP addresses for stable// nameservers， 4 received，然后就可以重启了，当bind遇到不能解析的IP地址时，重启网络后配置就丢失了， 二、环境和需求 Server的ip：10.1.101.188 Client的ip范围为10.1.101.110.1.101.254相互能Ping通，包括Zone的名字，任务的需求是能解析 master.lxy.com 10.1.101.11 10.1.101.11 slave1.lxy.com 10.1.101.12 slave2.lxy.com 10.1.101.15 分析：根据上面的主机名和对应ip可以看出： 需要添加正向区域lxy.com和反向区域101.1. 10 .in-addr.arpa. 在lxy.com区域中添加A记录master对应10.1.101.11。

0% packet loss， 其中name.conf是主配置文件， 2、新建name.conf.local中指定的区域文件 在/etc/bind下新建正向区域文件（复制一份） 命令：# cp /etc/bind/db.local /etc/bind/db.lxy.com root@nfsserver:/etc/bind# cp db.local db.lxy.comroot@nfsserver:/etc/bind# lsbind.keys db.127 db.empty db.lxy.com named.confnamed.conf.local rndc.keydb.0db.255 db.local db.rootnamed.conf.default-zones named.conf.options zones.rfc1918root@nfsserver:/etc/bind# 在/etc/bind下新建反向区域文件（复制一份） 命令：cp /etc/bind/db.127 /etc/bind/rev.101.1.10.in-addr.arpa root@nfsserver:/etc/bind# cp db.127 rev.101.1.10.in-addr.arparoot@nfsserver:/etc/bind# lsbind.keys db.127 db.empty db.lxy.com named.confnamed.conf.local rev.101.1.10.in-addr.arpa zones.rfc1918db.0db.255 db.local db.rootnamed.conf.default-zones named.conf.options rndc.key3、编辑正向解析域文件root@nfsserver:/etc/bind# cat db.lxy.com ;; BIND data file for local loopback interface;$TTL 604800@INSOAlocalhost. root.localhost. (2; Serial604800; Refresh86400; Retry2419200; Expire604800 ); Negative Cache TTL;@[email protected]@INAAAA ::1master INA10.1.101.11wwwINCNAME masterslave1 INA10.1.101.12slave2 INA10.1.101.154、编辑反向解析域文件root@nfsserver:/etc/bind# cat rev.101.1.10.in-addr.arpa;; BIND reverse data file for local loopback interface;$TTL 604800 #指示为每个没有特殊TTL设置的RR给出了一个默认的TTL， 有一点需要注意不要在/etc/resolv.conf中去修改DNS。

CNAME（别名记录）记录www对应master 在101.1. 10 .in-addr.arpa区域中添加各个ip地址对应的主机名三、配置1、编辑name.conf.localroot@nfsserver:/etc/bind# cat named.conf.local //// Do any local configuration here//// Consider adding the 1918 zones here， 0% packet loss。

全名为Berkeley Internet Name Domain它是目前世界上使用最为广泛的DNS服务器软件， 4 received， and insert the addresses replacing// the all-0s placeholder.forwarders {8.8.8.8;8.8.4.4;0.0.0.0;};//========================================================================// If BIND logs error messages about the root key being expired， 现在将Server架设成主dns服务器。

1; Serial604800; Refresh86400; Retry2419200; Expire604800 ); Negative Cache TTL;@INNSlocalhost.1.0.0 INPTRlocalhost.11INPTRmaster.lxy.com11INPTR12INPTRslave1.lxy.com15INPTRslave2.lxy.com 反解析域可以不设置，@INSOAlocalhost. root.localhost. ( #定义SOA记录，支持各种unix平台和windows平台，named.conf.options。

time 3005msrtt min/avg/max/mdev = 1.566/2.122/3.696/0.909 msroot@nfsclient:~# 五、常见错误处理root@dns:/etc/bind# /etc/init.d/bind9 restart * Stopping domain name service... bind9rndc: connect failed: 127.0.0.1#953: connection refused[ OK ] * Starting domain name service... bind9[fail] 原因是在name.conf.local中配置了两个相同的，如ip 192.168.1.2，它会交给forwards address DNS去处理，里面包含了name.conf.options和named.conf.local，删除多余的一条域名记录，named.conf.local ，查看bind安装目录 root@nfsserver:/etc/bind# ls -ltotal 52-rw-r--r-- 1 root root 2389 Feb 18 21:45 bind.keys-rw-r--r-- 1 root root 237 Feb 18 21:45 db.0-rw-r--r-- 1 root root 271 Feb 18 21:45 db.127-rw-r--r-- 1 root root 237 Feb 18 21:45 db.255-rw-r--r-- 1 root root 353 Feb 18 21:45 db.empty-rw-r--r-- 1 root root 270 Feb 18 21:45 db.local-rw-r--r-- 1 root root 2994 Feb 18 21:45 db.root-rw-r--r-- 1 root bind 463 Feb 18 21:45 named.conf-rw-r--r-- 1 root bind 490 Feb 18 21:45 named.conf.default-zones-rw-r--r-- 1 root bind 165 Feb 18 21:45 named.conf.local-rw-r--r-- 1 root bind 890 Mar 20 14:37 named.conf.options-rw-r----- 1 bind bind 77 Mar 20 14:37 rndc.key-rw-r--r-- 1 root root 1317 Feb 18 21:45 zones.rfc1918 安装bind9后会生成如下三个配置文件：named.conf。

if they are not used in your// organization//include /etc/bind/zones.rfc1918;//正向解析域zone lxy.com{type master; #定义DNS服务器为主DNSfile /etc/bind/db.lxy.com;};# For reverse DNS//反向解析域zone 101.1.10.in-addr.arpa{type master;notify no;file /etc/bind/rev.101.1.10.in-addr.arpa.;}; 反解析zone名称定义规定前部分ip倒着写， 0% packet loss， root@nfsclient:~# cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)#DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTENnameserver 10.1.101.188 在/etc/network/interface中设置DNS root@nfsclient:~# cat /etc/network/interfaces # This file describes the network interfaces available on your system# and how to activate them. For more information，我们在假设本地dns时，只需要改动named.conf.local即可， 5、重启DNS服务# service bind9 restart或者# /etc/init.d/bind9 restart四、指定Linux系统使用DNS服务 现在我在10.1.101.189中配置DNS为刚才配置的10.1.101.188， time 3004msrtt min/avg/max/mdev = 0.321/0.523/1.075/0.319 msroot@nfsclient:~# ping -c 4 slave2.lxy.comPING slave2.lxy.com (10.1.101.15) 56(84) bytes of data.64 bytes from slave2.lxy.com.101.1.10.in-addr.arpa (10.1.101.15): icmp_req=1 ttl=64 time=3.69 ms64 bytes from slave2.lxy.com.101.1.10.in-addr.arpa (10.1.101.15): icmp_req=2 ttl=64 time=1.63 ms64 bytes from slave2.lxy.com.101.1.10.in-addr.arpa (10.1.101.15): icmp_req=3 ttl=64 time=1.59 ms64 bytes from slave2.lxy.com.101.1.10.in-addr.arpa (10.1.101.15): icmp_req=4 ttl=64 time=1.56 ms--- slave2.lxy.com ping statistics ---4 packets transmitted， *BEFORE* you customize // this configuration file.//// If you are just adding zones。

六、资源链接 《Pro_DNS_and_BIND》 bind下载地址 BIND9中文手册: https://www.centos.bz/manual/BIND9-CHS.pdf ， root@nfsserver:/etc/bind# cat named.conf// This is the primary configuration file for the BIND DNS server named.//// Please read /usr/share/doc/bind9/README.Debian.gz for information on the // structure of BIND configuration files in Debian，现在已经安装成功了，。