DNS Ubuntu Revisado Completo
En el primario
instalar bind9
sudo apt update -y && sudo apt upgrade -y
sudo apt install bind9
sudo apt install gedit
sudo gedit /etc/bind/named.conf.local
sudo systemctl restart named
sudo gedit /etc/bind/db.aulaSMR113.local
$TTL 1D
@ IN SOA ns.aulaSMR113.local. alumnop.aulaSMR113.local. (
1 ; serial
604800 ; refresh
86400 ; retry
2419200 ; expiration
604800 ; TTL negative cache
)
; Registros NS (servidores de nombres)
@ IN NS ns.aulaSMR113.local.
; Registros A
ns IN A 192.168.32.140
ai1pc100 IN A 192.168.32.100
ai1pc101 IN A 192.168.32.101
alumnop IN A 192.168.32.140
alumnos IN A 192.168.32.141
sudo systemctl restart named
named-checkzone aulaSMR113.local /etc/bind/db.aulaSMR113.local
nslookup ai1pc100.aulaSMR113.local 192.168.32.140
sudo gedit /etc/bind/db.192.168.32
$TTL 1D
@ IN SOA ns.aulaSMR113.local. alumnop.aulaSMR113.local. (
1 ; serial
604800 ; refresh
86400 ; retry
2419200 ; expiration
604800 ; TTL negative cache
)
; Registros NS (servidores de nombres)
@ IN NS ns.192.168.32.arpa.
; Registros A
1 IN PTR router
100 IN PTR ai1pc100.aulaSMR113.local.
101 IN PTR ai1pc101.aulaSMR113.local.
140 IN PTR alumnop.aulaSMR113.local.
141 IN PTR alumnos.aulaSMR113.local.
sudo systemctl restart named
named-checkzone 192.168.32 /etc/bind/db.192.168.32
Esclavo
zone "aulaSMR113.local" {
type slave;
file /var/cache/bind/db.aulaSMR113.local";
masters {192.168.32.140;};
};
zone "32.168.192.in-addr.arpa" {
type slave;
file "/var/cache/bind/db.192.168.32";
masters {192.168.32.140;};
};
sudo systemctl restart named
nslookup 192.168.32.100 192.168.32.140
nslookup ai1pc100.aulaSMR113.local 192.168.32.140
nslookup 192.168.32.100 192.168.32.141
nslookup ai1pc100.aulaSMR113.local 192.168.32.141
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