Registro IPv4
host: hmailserver.com
class: IN
ttl: 90
type: A
ip: 212.71.251.76

Servidores DNS Principal (mname) y Secundario (rname)
host: hmailserver.com
class: IN
ttl: 3601
type: SOA
mname: dns1.registrar-servers.com
rname: hostmaster.registrar-servers.com
serial: 1690045239
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3601

Servidor de Correo
host: hmailserver.com
class: IN
ttl: 90
type: MX
pri: 10
target: mail.hmailserver.com

Información TXT
host: hmailserver.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx -all
entries: Array