Registro IPv4
host: blacklife.x-y.net
class: IN
ttl: 300
type: A
ip: 121.152.44.168

Servidores DNS Principal (mname) y Secundario (rname)
host: blacklife.x-y.net
class: IN
ttl: 300
type: SOA
mname: blacklife.x-y.net
rname: root.blacklife.x-y.net
serial: 1788612262
refresh: 600
retry: 150
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: blacklife.x-y.net
class: IN
ttl: 300
type: MX
pri: 10
target: blacklife.x-y.net