Registro DMARC
v=DMARC1;p=none;rua=mailto:ingram@beefore.net;ruf=mailto:ingram@beefore.net;aspf=s;fo=1

Servidores DNS Principal (mname) y Secundario (rname)
host: lub.com
class: IN
ttl: 3600
type: SOA
mname: ns1-36.azure-dns.com
rname: azuredns-hostmaster.microsoft.com
serial: 1
refresh: 3600
retry: 300
expire: 2419200
minimum-ttl: 300

Servidor de Correo
host: lub.com
class: IN
ttl: 3600
type: MX
pri: 90
target: beefore.net.bak-mx.na0105.smtpbak.com

Servidor de Correo
host: lub.com
class: IN
ttl: 3600
type: MX
pri: 10
target: beefore.net.pri-mx.na0105.smtproutes.com

Información TXT
host: lub.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a:mail.beefore.net include:spf.mtaroutes.com -all
entries: Array