Registro DMARC
v=DMARC1; p=reject; sp=reject; rua=mailto:info@52lnm.com; ruf=mailto:info@52lnm.com; rf=afrf; pct=100; ri=86400

Servidores DNS Principal (mname) y Secundario (rname)
host: 52lnm.com
class: IN
ttl: 3600
type: SOA
mname: ns-956.awsdns-55.net
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: 52lnm.com
class: IN
ttl: 3600
type: MX
pri: 0
target: contact.52lnm.com

Información TXT
host: 52lnm.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:51.161.194.73 ~all
entries: Array