hadoop DNS服务器正向反向解析

[root@cetiti7 named]# cat /etc/named.conf
//
// named.conf
//
// Provided by Red Hat bind package to configure the ISC BIND named(8) DNS
// server as a caching only nameserver (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//
// See the BIND Administrator’s Reference Manual (ARM) for details about the
// configuration located in /usr/share/doc/bind-{version}/Bv9ARM.html

options {
listen-on port 53 { any; };
listen-on-v6 port 53 { ::1; };
directory “/var/named”;
dump-file “/var/named/data/cache_dump.db”;
statistics-file “/var/named/data/named_stats.txt”;
memstatistics-file “/var/named/data/named_mem_stats.txt”;
recursing-file “/var/named/data/named.recursing”;
secroots-file “/var/named/data/named.secroots”;
allow-query { any; };
recursion yes;
dnssec-enable yes;
dnssec-validation yes;
bindkeys-file “/etc/named.iscdlv.key”;
managed-keys-directory “/var/named/dynamic”;
pid-file “/run/named/named.pid”;
session-keyfile “/run/named/session.key”;
};

logging {
channel default_debug {
file “data/named.run”;
severity dynamic;
};
};

zone “.” IN {
type hint;
file “named.ca”;
};

include “/etc/named.rfc1912.zones”;
include “/etc/named.root.key”;

[root@cetiti7 named]# cat /etc/named.rfc1912.zones
// named.rfc1912.zones:
//
// Provided by Red Hat caching-nameserver package
//
// ISC BIND named zone configuration for zones recommended by
// RFC 1912 section 4.1 : localhost TLDs and address zones
// and http://www.ietf.org/internet-drafts/draft-ietf-dnsop-default-local-zones-02.txt
// ©2007 R W Franks
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//

zone “localhost.localdomain” IN {
type master;
file “named.localhost”;
allow-update { none; };
};

zone “localhost” IN {
type master;
file “named.localhost”;
allow-update { none; };
};

zone “1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa” IN {
type master;
file “named.loopback”;
allow-update { none; };
};

zone “1.0.0.127.in-addr.arpa” IN {
type master;
file “named.loopback”;
allow-update { none; };
};

zone “0.in-addr.arpa” IN {
type master;
file “named.empty”;
allow-update { none; };
};

zone “hadoop.com” IN {
type master;
file “named.hadoop.com”;
allow-update { none; };
};

zone “66.168.192.in-addr.arpa” IN {
type master;
file “named.192.168.66.zone”;
allow-update { none; };
};

[root@cetiti7 named]# cat named.hadoop.com
$TTL 1D
@ IN SOA hadoop.com. admin.hadoop.com. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
@ IN NS cetiti7
cetiti7 IN A 192.168.66.7

[root@cetiti7 named]# cat named.192.168.66.zone
$TTL 1D
@ IN SOA hadoop.com. admin.hadoop.com. (
0 ; serial
1D ; refresh
1H ; retry
1W ; expire
3H ) ; minimum
NS cetiti7.
7 IN PTR cetiti7.hadoop.com.

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