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: bestbusinesspartner.com
class: IN
ttl: 3600
type: A
ip: 104.239.236.220

Servidores DNS Principal (mname) y Secundario (rname)
host: bestbusinesspartner.com
class: IN
ttl: 3600
type: SOA
mname: dns1.mastercard.com
rname: hostmaster.mastercard.com
serial: 38
refresh: 14400
retry: 3600
expire: 2419200
minimum-ttl: 300

Servidor de Correo
host: bestbusinesspartner.com
class: IN
ttl: 3600
type: MX
pri: 100
target: bestbusinesspartner.com.inbound10.mxlogic.net

Servidor de Correo
host: bestbusinesspartner.com
class: IN
ttl: 3600
type: MX
pri: 200
target: bestbusinesspartner.com.inbound10.mxlogicmx.net

Información TXT
host: bestbusinesspartner.com
class: IN
ttl: 3600
type: TXT
txt: 8045-3EBB-B5FC-AEF3-14D1-AC67-1088-D900
entries: Array

Información TXT
host: bestbusinesspartner.com
class: IN
ttl: 3600
type: TXT
txt: ns1.rackmy.com.dns.rackmy.com.(2016052401;Serial86400;Refresh3600;Retry777600;Expire600);MinimumTTL
entries: Array

Información TXT
host: bestbusinesspartner.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:deliverygateways.mastercard.com ~all
entries: Array