Registro DMARC
v=DMARC1; p=quarantine; pct=80; rua=mailto:postmaster@installcore.com

Servidores DNS Principal (mname) y Secundario (rname)
host: installcore.com
class: IN
ttl: 900
type: SOA
mname: ns-1740.awsdns-25.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: installcore.com
class: IN
ttl: 21600
type: MX
pri: 10
target: mail2.installcore.com

Información TXT
host: installcore.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=yUL1K3U2jhm_SFbHJEV1EM1hJYm_uUIoDdle4FQomlk
entries: Array

Información TXT
host: installcore.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=bPVLj5td-DMYy42pEcBSHey5z-zx6PlPGto-oL1JDOw
entries: Array