Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: duralbng.com
class: IN
ttl: 3600
type: A
ip: 162.210.96.117

Servidores DNS Principal (mname) y Secundario (rname)
host: duralbng.com
class: IN
ttl: 3600
type: SOA
mname: dns1.supremedns.com
rname: root.us.cloudlogin.co
serial: 1578945028
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: duralbng.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx2.supremebox.com

Servidor de Correo
host: duralbng.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx1.supremebox.com