Registro DMARC
v=DMARC1; p=none

Servidores DNS Principal (mname) y Secundario (rname)
host: istanamobil.com
class: IN
ttl: 3600
type: SOA
mname: lunar.dns-parking.com
rname: dns.hostinger.com
serial: 2026091001
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: istanamobil.com
class: IN
ttl: 4842
type: MX
pri: 5
target: mx1.hostinger.com

Servidor de Correo
host: istanamobil.com
class: IN
ttl: 4842
type: MX
pri: 10
target: mx2.hostinger.com

Información TXT
host: istanamobil.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.mail.hostinger.com ~all
entries: Array