6 linux managing dns servers lpic 2 m6 slides kho tài liệu training

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zone “example.com" IN {

type master;
file “db.example";

allow-update { none; };
};


zone “2.0.10.in-addr.arpa" IN {

type master;
file “db.10.0.2";

allow-update { none; };
};



$TTL 3h

$ORIGIN example.com.

example.com. IN SOA master.example.com. root.example.com.
(
2015112101 ; Serial
8h ; Refresh

4h ; Retry
1w ; Expire

1h ; Negative TTL
)


example.com. IN NS master.example.com.
master

IN A 10.0.2.4

gw

IN A 10.0.2.1

mail

IN A 10.0.2.2

; Aliases
ns1

IN CNAME master.example.com.

; Mail Servers
example.com. IN MX 5 mail.example.com.


$TTL 3h

$ORIGIN 2.0.10.in-addr.arpa.
2.0.10.in-addr.arpa. IN SOA master.example.com.
root.example.com. (
2015112101 ; Serial
8h ; Refresh
4h ; Retry
1w ; Expire

1h ; Negative TTL
)


2.0.1-.in-addr.arpa. IN NS master.example.com.
1

IN PTR gw.example.com.

2

IN PTR mail.example.com.

4

IN PTR master.example.com.

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