Registro DMARC
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: altoromutual.com
class: IN
ttl: 86400
type: A
ip: 65.61.137.117

Servidores DNS Principal (mname) y Secundario (rname)
host: altoromutual.com
class: IN
ttl: 300
type: SOA
mname: asia3.akam.net
rname: hostmaster.akamai.com
serial: 1368446078
refresh: 43200
retry: 7200
expire: 604800
minimum-ttl: 86400

Información TXT
host: altoromutual.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 mx/24 -all
entries: Array