Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email;

Servidores DNS Principal (mname) y Secundario (rname)
host: slowchurn.com
class: IN
ttl: 3600
type: SOA
mname: ctrdns1.nestle.com
rname: nestlednsadmin.nestle.com
serial: 2017092320
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 3600

Información TXT
host: slowchurn.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
entries: Array