Registro DMARC
v=spf1 +a +mx ~all

Servidores DNS Principal (mname) y Secundario (rname)
host: alexkostin.com
class: IN
ttl: 3600
type: SOA
mname: dns1.name-services.com
rname: info.name-services.com
serial: 1599150355
refresh: 172800
retry: 900
expire: 1814400
minimum-ttl: 3600

Servidor de Correo
host: alexkostin.com
class: IN
ttl: 1800
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: alexkostin.com
class: IN
ttl: 1800
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: alexkostin.com
class: IN
ttl: 1800
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: alexkostin.com
class: IN
ttl: 1800
type: MX
pri: 10
target: ALT3.aspmx.l.google.com

Servidor de Correo
host: alexkostin.com
class: IN
ttl: 1800
type: MX
pri: 10
target: ALT4.aspmx.l.google.com

Información TXT
host: alexkostin.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 +a +mx ~all
entries: Array