Registro DMARC
v=DMARC1;p=quarantine;rua=mailto:admin@trumcongnghe.com

Servidores DNS Principal (mname) y Secundario (rname)
host: trumcongnghe.com
class: IN
ttl: 1800
type: SOA
mname: adelaide.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2389380401
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: trumcongnghe.com
class: IN
ttl: 300
type: MX
pri: 5
target: mail.trumcongnghe.com

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