BIND : Configure Zones for Name Resolution2019/07/16

	Create zone files that servers resolve IP address from domain name.

[1]	For internal zone, On this example, Configure BIND with internal address [10.0.0.0/24], domain name [srv.world]. Pease replace IP addresses and Domain Name to your own environment.

root@dlp:~#

vi /etc/bind/srv.world.lan

$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
        2019071601  ;Serial
        3600        ;Refresh
        1800        ;Retry
        604800      ;Expire
        86400       ;Minimum TTL
)
        # define name server
        IN  NS      dlp.srv.world.
        # define name server's IP address
        IN  A       10.0.0.30
        # define mail exchanger
        IN  MX 10   dlp.srv.world.

# define IP address of the hostname
dlp     IN  A       10.0.0.30

[2]	For external zone, On this example, Configure BIND with internal address [172.16.0.80/29], domain name [srv.world]. Pease replace IP addresses and Domain Name to your own environment.

root@dlp:~#

vi /etc/bind/srv.world.wan

$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
        2019071601  ;Serial
        3600        ;Refresh
        1800        ;Retry
        604800      ;Expire
        86400       ;Minimum TTL
)
        # define name server
        IN  NS      dlp.srv.world.
        # define name server's IP address
        IN  A       172.16.0.82
        # define mail exchanger
        IN  MX 10   dlp.srv.world.

# define IP address of the hostname
dlp     IN  A       172.16.0.82

Configure Zones for Address Resolution

	Create zone files that servers resolve domain names from IP address.

[3]	For internal zone, On this example, Configure BIND with internal address [10.0.0.0/24], domain name [srv.world]. Pease replace IP addresses and Domain Name to your own environment.

root@dlp:~#

vi /etc/bind/0.0.10.db

$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
        2019071601  ;Serial
        3600        ;Refresh
        1800        ;Retry
        604800      ;Expire
        86400       ;Minimum TTL
)
        # define name server
        IN  NS      dlp.srv.world.
        # define the range of this domain included
        IN  PTR     srv.world.
        IN  A       255.255.255.0

# define hostname of the IP address
30      IN  PTR     dlp.srv.world.

[4]	For external zone, On this example, Configure BIND with internal address [172.16.0.80/29], domain name [srv.world]. Pease replace IP addresses and Domain Name to your own environment.

root@dlp:~#

vi /etc/bind/80.0.16.172.db

$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
        2019071601  ;Serial
        3600        ;Refresh
        1800        ;Retry
        604800      ;Expire
        86400       ;Minimum TTL
)
        # define name server
        IN  NS      dlp.srv.world.
        # define the range of this domain included
        IN  PTR     srv.world.
        IN  A       255.255.255.248

# define hostname of the IP address
82      IN  PTR     dlp.srv.world.

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