Registro DMARC
v=DMARC1; p=none; sp=none; fo=1;

Servidores DNS Principal (mname) y Secundario (rname)
host: trainorgrain.com
class: IN
ttl: 3600
type: SOA
mname: ns1.mcsot.com
rname: hostmaster.mcsot.com
serial: 47
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: trainorgrain.com
class: IN
ttl: 3600
type: MX
pri: 10
target: trainorgrain.com.1.0001.arsmtp.com

Servidor de Correo
host: trainorgrain.com
class: IN
ttl: 3600
type: MX
pri: 20
target: trainorgrain.com.2.0001.arsmtp.com

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