DNSSEC Howto hier beschreiben... 

chmod g+w keys
mkdir zones
cd zones

create file example.mytld.zone 

$TTL    6400
@       IN      SOA     ns1.example.mytld. dnsmaster.example.mytld. (
                        2016080201 ;Serial
                        8H      ; refresh
                        2H      ; retry
                        1W      ; expire
                        2H      ; TTL
                        )
        IN      NS      ns1.example.mytld.
ns1     IN      A       127.0.0.1
www     IN      A       192.168.0.1

add the following section to named.conf.local 

zone "example.mytld" {
        type master;
        file "/etc/bind/zones/example.mytld.zone";
        allow-query {any; };
        allow-transfer { 127.0.0.1; };
};