Registro DMARC
v=DMARC1; p=none; aspf=r; sp=none

Servidores DNS Principal (mname) y Secundario (rname)
host: heexe.com
class: IN
ttl: 1800
type: SOA
mname: kim.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2351290693
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: heexe.com
class: IN
ttl: 300
type: MX
pri: 20
target: mx2.hosting.reg.ru

Servidor de Correo
host: heexe.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx1.hosting.reg.ru