Registro DMARC
v=DMARC1; p=quarantine; fo=1; rua=mailto:administrator@yorkwire.com,mailto:rua+yorkwire.com@dmarc.barracudanetworks.com; ruf=mailto:administrator@yorkwire.com,mailto:ruf+yorkwire.com@dmarc.barracudanetworks.com

Servidores DNS Principal (mname) y Secundario (rname)
host: yorkwire.com
class: IN
ttl: 3600
type: SOA
mname: fs1.yorkwire.local
rname: hostmaster.yorkwire.local
serial: 100
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: yorkwire.com
class: IN
ttl: 3600
type: MX
pri: 10
target: d295600a.ess.barracudanetworks.com

Servidor de Correo
host: yorkwire.com
class: IN
ttl: 3600
type: MX
pri: 10
target: d295600b.ess.barracudanetworks.com

Información TXT
host: yorkwire.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.com -all
entries: Array