Registro DMARC
v=DMARC1; p=reject; rua=mailto:inbox@ondmarc.com; ruf=mailto:inbox@ondmarc.com

Servidores DNS Principal (mname) y Secundario (rname)
host: u-avenue.com
class: IN
ttl: 1800
type: SOA
mname: NS65.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 122100309
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: u-avenue.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 -all
entries: Array