Registro DMARC
v=spf1 a:dns.quickbooksspecialist.com ~all

Servidores DNS Principal (mname) y Secundario (rname)
host: quickbooksspecialist.com
class: IN
ttl: 3600
type: SOA
mname: dns.quickbooksspecialist.com
rname: hostmaster.quickbooksspecialist.com
serial: 1444584687
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: quickbooksspecialist.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.quickbooksspecialist.com

Información TXT
host: quickbooksspecialist.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:dns.quickbooksspecialist.com ~all
entries: Array