Registro DMARC
v=DMARC1; p=reject; sp=reject;

Servidores DNS Principal (mname) y Secundario (rname)
host: jktv24.com
class: IN
ttl: 300
type: SOA
mname: nd1.muumuu-domain.com
rname: admin.muumuu-domain.com
serial: 1
refresh: 7200
retry: 3600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: jktv24.com
class: IN
ttl: 300
type: MX
pri: 0
target: 

Información TXT
host: jktv24.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array