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

Registro IPv4
host: chubbcampaignsla.com
class: IN
ttl: 3600
type: A
ip: 205.138.253.85

Servidores DNS Principal (mname) y Secundario (rname)
host: chubbcampaignsla.com
class: IN
ttl: 300
type: SOA
mname: ns1.p201.dns.oraclecloud.net
rname: hostmaster.chubbcampaignsla.com
serial: 7
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 1800