Registro IPv4
host: w3school.com
class: IN
ttl: 900
type: A
ip: 199.250.206.28

Servidores DNS Principal (mname) y Secundario (rname)
host: w3school.com
class: IN
ttl: 21600
type: SOA
mname: ns1.inmotionhosting.com
rname: amazingbible.verizon.net
serial: 2024051705
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: w3school.com
class: IN
ttl: 900
type: MX
pri: 0
target: w3school.com