Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Servidores DNS Principal (mname) y Secundario (rname)
host: answersfrombigdata.com
class: IN
ttl: 86400
type: SOA
mname: yyazrdns03.kworld.kpmg.com
rname: domaintech.kpmg.com
serial: 6
refresh: 10800
retry: 3600
expire: 2592000
minimum-ttl: 900

Información TXT
host: answersfrombigdata.com
class: IN
ttl: 86400
type: TXT
txt: v=spf1 -all
entries: Array