Registro DMARC
v=DMARC1; p=quarantine; pct=100

Servidores DNS Principal (mname) y Secundario (rname)
host: casinollo.com
class: IN
ttl: 1800
type: SOA
mname: kim.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2375827515
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: casinollo.com
class: IN
ttl: 300
type: MX
pri: 10
target: _dc-mx.bc97e9445fed.casinollo.com