Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:informatica@newcenturyni.com; sp=quarantine; adkim=s; aspf=s

Servidores DNS Principal (mname) y Secundario (rname)
host: ncb.com.ni
class: IN
ttl: 1800
type: SOA
mname: gannon.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2378984715
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: ncb.com.ni
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: ncb.com.ni
class: IN
ttl: 300
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: ncb.com.ni
class: IN
ttl: 300
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: ncb.com.ni
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: ncb.com.ni
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com