Registro DMARC
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:organon-merck@rua.agari.com; ruf=mailto:organon-merck@ruf.agari.com

Servidores DNS Principal (mname) y Secundario (rname)
host: nuvoring.com
class: IN
ttl: 21600
type: SOA
mname: cbru.br.ns.els-gms.att.net
rname: rm-hostmaster.ems.att.com
serial: 15
refresh: 3600
retry: 1200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: nuvoring.com
class: IN
ttl: 21600
type: MX
pri: 5
target: mx5.organon.com

Información TXT
host: nuvoring.com
class: IN
ttl: 21600
type: TXT
txt: v=spf1 -all
entries: Array