Registro DMARC
v=DMARC1; p=quarantine; adkim=s; aspf=s

Servidores DNS Principal (mname) y Secundario (rname)
host: settlementfundinfo.com
class: IN
ttl: 7200
type: SOA
mname: NS9.WORLDNIC.com
rname: namehost\@WORLDNIC.com
serial: 124111916
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600