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

Servidores DNS Principal (mname) y Secundario (rname)
host: e-kdd.net
class: IN
ttl: 21600
type: SOA
mname: ns.kddc.net
rname: administrator.kddc.net
serial: 19
refresh: 3600
retry: 600
expire: 86400
minimum-ttl: 3600

Información TXT
host: e-kdd.net
class: IN
ttl: 21600
type: TXT
txt: v=spf1 -all
entries: Array