Registro DMARC
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

Servidores DNS Principal (mname) y Secundario (rname)
host: sidacepatrol.net
class: IN
ttl: 3600
type: SOA
mname: dns1.p05.nsone.net
rname: hostmaster.nsone.net
serial: 1742238595
refresh: 43200
retry: 7200
expire: 1209600
minimum-ttl: 3600