Servidores DNS Principal (mname) y Secundario (rname)
host: b4i.com.br
class: IN
ttl: 900
type: SOA
mname: d.sec.dns.br
rname: hostmaster.registro.br
serial: 2026194000
refresh: 345600
retry: 900
expire: 604800
minimum-ttl: 900

Servidor de Correo
host: b4i.com.br
class: IN
ttl: 3600
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: b4i.com.br
class: IN
ttl: 3600
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: b4i.com.br
class: IN
ttl: 3600
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: b4i.com.br
class: IN
ttl: 3600
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: b4i.com.br
class: IN
ttl: 3600
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Información TXT
host: b4i.com.br
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array