Registro DMARC
v=DMARC1; p=reject; adkim=s; aspf=s;

Servidores DNS Principal (mname) y Secundario (rname)
host: gea.cl
class: IN
ttl: 16842
type: SOA
mname: ns1.lemarit.de
rname: hostmaster.lemarit.com
serial: 1788813331
refresh: 43200
retry: 10800
expire: 2419200
minimum-ttl: 3600

Información TXT
host: gea.cl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array