DNS

sudo apt-get install bind9 dnsutils bind9-doc
sudo vim /etc/bind/naemd.conf.options
options {
        directory "/var/cache/bind";

        // If there is a firewall between you and nameservers you want
        // to talk to, you may need to fix the firewall to allow multiple
        // ports to talk.  See http://www.kb.cert.org/vuls/id/800113

        // If your ISP provided one or more IP addresses for stable
        // nameservers, you probably want to use them as forwarders.
        // Uncomment the following block, and insert the addresses replacing
        // the all-0's placeholder.

         forwarders {
                8.8.8.8;
         };

        //========================================================================
        // If BIND logs error messages about the root key being expired,
        // you will need to update your keys.  See https://www.isc.org/bind-keys
        //========================================================================
        dnssec-validation auto;

        auth-nxdomain no;    # conform to RFC1035
        listen-on-v6 { any; };
};
sudo  vim  /etc/bind/named.conf.local
zone "colonel.net" {
        type master;
        file "db.colonel.net";
};
sudo cp /etc/bind/db.local /var/cache/bind/db.colonel.net
sudo vim /var/cache/bind/db.colonel.net 
$TTL    604800
@       IN      SOA     colonel.net. root.colonel.net. (
                              2         ; Serial
                         604800         ; Refresh
                          86400         ; Retry
                        2419200         ; Expire
                         604800 )       ; Negative Cache TTL
;
@       IN      NS      localhost.
@       IN      A       127.0.0.1
sell   IN      A        192.168.1.3
@       IN      AAAA    ::1
sudo /etc/init.d/bind9 restart
nslookup www.colonel.net