diff --git a/dns b/dns
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+++ b/dns
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+#!/bin/bash
+# Базовая настройка DNS-сервера BIND
+# Домен: br-srv.au-team.irpo, IP сервера: 192.168.2.2
+
+set -e
+
+DNS_IP="192.168.2.2"
+DOMAIN="br-srv.au-team.irpo"
+REVERSE_ZONE="2.168.192.in-addr.arpa"
+
+# Создание директории для зон
+mkdir -p /var/named/master
+
+# Прямая зона
+cat > /var/named/master/${DOMAIN} <<EOF
+\$TTL 604800
+${DOMAIN}.    IN      SOA     ns01.${DOMAIN}. root.${DOMAIN}. (
+                1       ; Serial
+                600     ; Refresh
+                3600    ; Retry
+                1w      ; Expire
+                360     ; Minimum TTL
+                )
+
+        IN      NS      ns01.${DOMAIN}.
+        IN      NS      ns02.${DOMAIN}.
+        IN      NS      ns03.${DOMAIN}.
+        IN      NS      test.${DOMAIN}.
+
+ns01    IN      A       192.168.10.50
+ns02    IN      A       192.168.10.60
+ns03    IN      A       192.168.10.70
+test    IN      A       192.168.10.12
+
+_ldap._tcp.${DOMAIN}. 3600 IN SRV 0 0 389 ns01.${DOMAIN}.
+EOF
+
+# Обратная зона
+cat > /var/named/master/2.168.192.zone <<EOF
+\$TTL 3600
+@     IN      SOA     ${DOMAIN}. root.${DOMAIN}. (
+      20060204        ; Serial
+      3600            ; Refresh
+      900             ; Retry
+      3600000         ; Expire
+      3600            ; Minimum
+      )
+@     IN      NS      localhost.
+50    IN      PTR     ns01.${DOMAIN}.
+60    IN      PTR     ns02.${DOMAIN}.
+70    IN      PTR     ns03.${DOMAIN}.
+12    IN      PTR     test.${DOMAIN}.
+EOF
+
+# Права на зоны
+chown -R root:named /var/named/master
+chmod 0640 /var/named/master/*
+
+# Директория для логов
+mkdir -p /var/log/bind
+chown named:named /var/log/bind
+chmod 750 /var/log/bind
+
+# Конфигурация named.conf
+cat > /etc/named.conf <<EOF
+options {
+        listen-on port 53 { 127.0.0.1; ${DNS_IP}; };
+        listen-on-v6 port 53 { none; };
+        directory       "/var/named";
+        dump-file       "/var/named/data/cache_dump.db";
+        statistics-file "/var/named/data/named_stats.txt";
+        memstatistics-file "/var/named/data/named_mem_stats.txt";
+        allow-query     { any; };
+        forward first;
+        forwarders { 8.8.8.8; };
+        recursion yes;
+        dnssec-enable yes;
+        dnssec-validation yes;
+        bindkeys-file "/var/named/named.iscdlv.key";
+        managed-keys-directory "/var/named/dynamic";
+        pid-file "/run/named/named.pid";
+        session-keyfile "/run/named/session.key";
+};
+
+logging {
+        channel "misc" {
+                file "/var/log/bind/misc.log" versions 4 size 4m;
+                print-time yes;
+                print-severity yes;
+                print-category yes;
+        };
+
+        channel "query" {
+                file "/var/log/bind/query.log" versions 4 size 4m;
+                print-time yes;
+                print-severity no;
+                print-category no;
+        };
+
+        category default { "misc"; };
+        category queries { "query"; };
+};
+
+zone "${DOMAIN}" {
+        type master;
+        file "master/${DOMAIN}";
+};
+
+zone "${REVERSE_ZONE}" {
+        type master;
+        file "master/2.168.192.zone";
+};
+
+include "/etc/named.rfc1912.zones";
+include "/etc/named.root.key";
+EOF
+
+# Перезапуск службы
+systemctl restart named
+systemctl enable named
+
+echo "✅ Настройка DNS-сервера завершена"
+echo "Проверка: nslookup test.${DOMAIN} ${DNS_IP}"
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