Registro DMARC
v=DMARC1;p=reject;rua=mailto:reply@apptisan.com;ruf=mailto:reply@apptisan.com

Servidores DNS Principal (mname) y Secundario (rname)
host: apptisan.com
class: IN
ttl: 3600
type: SOA
mname: ns37.domaincontrol.com
rname: dns.jomax.net
serial: 2026020600
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Información TXT
host: apptisan.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 ~all
entries: Array