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: mountsinaistat.net
class: IN
ttl: 7200
type: SOA
mname: NS41.WORLDNIC.COM
rname: namehost\@WORLDNIC.COM
serial: 124121817
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Información TXT
host: mountsinaistat.net
class: IN
ttl: 7200
type: TXT
txt: v=spf1 -all
entries: Array