Servidores DNS Principal (mname) y Secundario (rname)
host: dof5.com
class: IN
ttl: 1800
type: SOA
mname: dns1.dof6.com
rname: dnsmaster.dof6.com
serial: 2019021333
refresh: 43200
retry: 7200
expire: 1728000
minimum-ttl: 7200

Servidor de Correo
host: dof5.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mail2.dof6.com

Servidor de Correo
host: dof5.com
class: IN
ttl: 7200
type: MX
pri: 10
target: mail1.dof6.com

Información TXT
host: dof5.com
class: IN
ttl: 21600
type: TXT
txt: v=spf1 ip4:81.45.21.0/24 -all
entries: Array