Registro IPv4
host: training-craftsman.com
class: IN
ttl: 3600
type: A
ip: 202.172.25.33

Servidores DNS Principal (mname) y Secundario (rname)
host: training-craftsman.com
class: IN
ttl: 3600
type: SOA
mname: dns1.name-services.com
rname: info.name-services.com
serial: 1446771945
refresh: 172800
retry: 900
expire: 1814400
minimum-ttl: 3600

Servidor de Correo
host: training-craftsman.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.training-craftsman.com