Registro DMARC
v=spf1 mx ip4:50.210.67.81/32 -all

Registro IPv4
host: briannet.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.23

Servidores DNS Principal (mname) y Secundario (rname)
host: briannet.com
class: IN
ttl: 7200
type: SOA
mname: NS9.WORLDNIC.com
rname: namehost\@WORLDNIC.com
serial: 124083014
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: briannet.com
class: IN
ttl: 900
type: MX
pri: 10
target: securemail.somedudewitha.com

Información TXT
host: briannet.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx ip4:50.210.67.81/32 -all
entries: Array