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

Registro IPv4
host: businesscardstatement.net
class: IN
ttl: 2806
type: A
ip: 165.160.15.20

Registro IPv4
host: businesscardstatement.net
class: IN
ttl: 2806
type: A
ip: 165.160.13.20

Servidores DNS Principal (mname) y Secundario (rname)
host: businesscardstatement.net
class: IN
ttl: 10006
type: SOA
mname: udns1.cscudns.com
rname: hostmaster.cscdns.net
serial: 2022111015
refresh: 86400
retry: 86400
expire: 86400
minimum-ttl: 86400

Servidor de Correo
host: businesscardstatement.net
class: IN
ttl: 2805
type: MX
pri: 10
target: custmx.cscdns.net