Set Zones for Name Resolution

Set Zones for Name Resolution
2014/08/02
Create zone files that servers resolve IP address from domain name.
[1]
For internal zone
This example uses internal address[10.0.0.0/24], domain name [srv.world], but please use your own one when you set config on your server.

[root@dlp ~]#
vi /var/named/srv.world.lan
$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
       2014080201  ;Serial
       3600        ;Refresh
       1800        ;Retry
       604800      ;Expire
       86400       ;Minimum TTL
)
# define name serve

      IN  NS      dlp.srv.world.
# internal IP address of name server

      IN  A       10.0.0.30
# define Mail exchanger

      IN  MX 10   dlp.srv.world.

# define IP address and hostname

dlp     IN  A       10.0.0.30

[2]
For external zone
This example uses external address [172.16.0.80/29], domain name[srv.world], but please use your own one when you set config on your server.

[root@dlp ~]#
vi /var/named/srv.world.wan
$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
       2014080201  ;Serial
       3600        ;Refresh
       1800        ;Retry
       604800      ;Expire
       86400       ;Minimum TTL
)
# define name server

      IN  NS      dlp.srv.world.
# external IP address of name server

      IN  A       172.16.0.82
# define Mail exchanger

      IN  MX 10   dlp.srv.world.

# define IP address and hostname

dlp     IN  A       172.16.0.82

Set Zones for Address Resolution

Create zone files that servers resolve domain names from IP address.
[3]
For internal zone
This example uses internal address [10.0.0.0/24], domain name[srv.world], but please use your own one when you set config on your server.

[root@dlp ~]#
vi /var/named/0.0.10.db
$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
       2014080201  ;Serial
       3600        ;Refresh
       1800        ;Retry
       604800      ;Expire
       86400       ;Minimum TTL
)
# define name server

      IN  NS      dlp.srv.world.

# define range that this domain name is in

      IN  PTR     srv.world.
       IN  A       255.255.255.0

# define IP address and hostname

30      IN  PTR     dlp.srv.world.

[4]
For external zone
This example uses external address [172.16.0.80/29], domain name[srv.world], but please use your own one when you set config on your server.
[root@dlp ~]#
vi /var/named/80.0.16.172.db
$TTL 86400
@   IN  SOA     dlp.srv.world. root.srv.world. (
       2014080201  ;Serial
       3600        ;Refresh
       1800        ;Retry
       604800      ;Expire
       86400       ;Minimum TTL
)
# define name server

      IN  NS      dlp.srv.world.

# define range that this domain name is in

      IN  PTR     srv.world.
       IN  A       255.255.255.248

# define IP address and hostname

82      IN  PTR     dlp.srv.world.

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