Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@grussco.com; ruf=mailto:dmarc@grussco.com; adkim=r; aspf=s; pct=100; rf=afrf; ri=86400; sp=none

Servidores DNS Principal (mname) y Secundario (rname)
host: grussco.com
class: IN
ttl: 3600
type: SOA
mname: pns71.cloudns.net
rname: support.cloudns.net
serial: 1950030707
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

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

Información TXT
host: grussco.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:38.145.212.115 ~all
entries: Array