Registro IPv4
host: demosite.center
class: IN
ttl: 300
type: A
ip: 150.238.41.120

Servidores DNS Principal (mname) y Secundario (rname)
host: demosite.center
class: IN
ttl: 3600
type: SOA
mname: ns1.name.com
rname: hostmaster.nsone.net
serial: 1757725394
refresh: 43200
retry: 7200
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: demosite.center
class: IN
ttl: 300
type: MX
pri: 10
target: demosite.center