Registro DMARC
v=DMARC1; p=none; aspf=r; adkim=r;

Registro IPv4
host: yourdmac.com
class: IN
ttl: 14400
type: A
ip: 35.208.123.80

Servidores DNS Principal (mname) y Secundario (rname)
host: yourdmac.com
class: IN
ttl: 21600
type: SOA
mname: ns1.siteground.net
rname: dnsadmin.c60065.sgvps.net
serial: 100187
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: yourdmac.com
class: IN
ttl: 14400
type: MX
pri: 0
target: yourdmac-com.mail.protection.outlook.com

Información TXT
host: yourdmac.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +a:ns1.usm80.siteground.biz  include:spf.protection.outlook.com include:yourdmac.com.spf.auto.dnssmarthost.net ~all
entries: Array