Registro DMARC
v=DMARC1; p=none; aspf=r; adkim=r;

Registro IPv4
host: sermex.mx
class: IN
ttl: 21600
type: A
ip: 35.215.102.165

Servidores DNS Principal (mname) y Secundario (rname)
host: sermex.mx
class: IN
ttl: 14400
type: SOA
mname: ns1.siteground.net
rname: admins.siteground.com
serial: 28
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: sermex.mx
class: IN
ttl: 3600
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: sermex.mx
class: IN
ttl: 3600
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: sermex.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: sermex.mx
class: IN
ttl: 3600
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: sermex.mx
class: IN
ttl: 3600
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Información TXT
host: sermex.mx
class: IN
ttl: 21600
type: TXT
txt: v=spf1 +a +mx include:sermex.mx.spf.auto.dnssmarthost.net ~all
entries: Array