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

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: 2376977337
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: heexe.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.heexe.com

Información TXT
host: heexe.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ip4:185.43.220.209 -all
entries: Array