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.
//


options {
pid-file "/var/run/named/named.pid";
directory "/etc/namedb";
dump-file "/var/dump/named_dump.db";
statistics-file "/var/stats/named.stats";
version "BIND";
allow-recursion { trusted; };
allow-notify { trusted; };
allow-transfer { trusted; };
forwarders { 127.0.0.1; };
};

options {
//listen-on port 53 { 127.0.0.1; };
//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 { localhost; };
//recursion yes;
dnssec-enable yes;
dnssec-validation yes;
dnssec-lookaside auto;

/* Path to ISC DLV key */
bindkeys-file "/etc/named.iscdlv.key";
};

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

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

include "/etc/named.rfc1912.zones";

zone "domainam" { type master; file "/var/named/domainam.db"; };
zone "domainam" { type master; file "/var/named/domainam.db"; };
zone "domainam" { type master; file "/var/named/domainam.db"; };
zone "domainam" { type master; file "/var/named/domainam.db"; };
خط 13 هم اینه :‌directory "/etc/namedb";
که همون فایلی که گفتم پاک شده هست که ارور بخاطرش هست