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前期准备

准备8台虚拟机,操作系统及IP地址分别为

Root DNS Server: CentOS6.9 IP:192.168.30.15

Com DNS Server: CentOS6.9 IP:192.168.30.16

Master DNS Server: CentOS6.9 IP:192.168.30.12

Slave DNS Server: CentOS6.9 IP:192.168.30.17

Web1 Server: CentOS7.4 IP:192.168.30.10

Web2 Server: CentOS6.9 IP:192.168.30.11

ISP DNS Server: CentOS6.9 IP:192.168.30.18

Client: CentOS6.9 IP:192.168.30.19

关闭所有主机的SELinux安全策略,关闭iptables防火墙