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

Servidores DNS Principal (mname) y Secundario (rname)
host: shvi.us
class: IN
ttl: 28800
type: SOA
mname: ns1.carolinas.org
rname: dns.admin.carolinas.org
serial: 24
refresh: 10800
retry: 3600
expire: 2419200
minimum-ttl: 900

Servidor de Correo
host: shvi.us
class: IN
ttl: 28800
type: MX
pri: 0
target: mx

Información TXT
host: shvi.us
class: IN
ttl: 28800
type: TXT
txt: v=spf1 -all
entries: Array