Registro IPv4
host: SAMPLE.IO
class: IN
ttl: 300
type: A
ip: 75.126.100.21

Servidores DNS Principal (mname) y Secundario (rname)
host: SAMPLE.IO
class: IN
ttl: 3600
type: SOA
mname: ns1.name.com
rname: hostmaster.nsone.net
serial: 1578615781
refresh: 7200
retry: 3600
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: SAMPLE.IO
class: IN
ttl: 300
type: MX
pri: 60
target: mx5.name.com

Información TXT
host: SAMPLE.IO
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ~all
entries: Array