Necesito las IP de los nameservers (DNS). ¿Se obtienen haciendo ping a ns01.000webhost.com y ns02 ?
They change often so no need for them, simply set your nameservers to ns01.000webhost.com ns02.000webhost.com 
They change often so no need for them, simply set your nameservers to ns01.000webhost.com ns02.000webhost.com