[Linux]RHEL DSNとDHCPを使用

//named.conf
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";
    allow-query { any; };
    recursion yes;
    
    dnssec-enable yes;
    dnssec-validation yes;
    dnssec-lookasside auto;
    
    bindkeys-file "/etc/named.iscdlv.key";
    managed-keys-directory "/var/named/dynamic";
};

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

zone "." IN{
    type hint;
    file "named.ca";
};

include "/etc/named.svr.zones";

//named.svr.zones
zone "svr" IN {
    type master;
    file "named.svr";
    allow-update { none; };
};

//named.svr
$TTL 1D
@   IN SOA ns.svr root(
                        0       ;serial
                        1D      ;refresh
                        1H      ;retry
                        1W      ;expire
                        3H )    ;minimum
    NS  ns
ns  A   10.126.1.10
agent   A   10.126.1.10
svn A   10.126.1.100

#dhcpd.conf
default-lease-time 600;
max-lease-time 7200;

subnet 10.126.8.0 netmask 255.255.255.0 {
    range 10.126.1.200 10.126.1.250;
    options domain-name-servers 10.126.1.10;
    option router 10.126.8.10;
    option subnet-mask 255.255.255.0;
}