Registro DMARC
v=DMARC1; p=quarantine; sp=none; rua=mailto:ruaseginfo@bancomercantil.com; ruf=mailto:rufseginfo@bancomercantil.com; fo=0; rf=afrf; pct=100; ri=86400

Servidores DNS Principal (mname) y Secundario (rname)
host: mercantilbanco.com
class: IN
ttl: 21600
type: SOA
mname: ns1.impsat.net.co
rname: hostmaster.impsat.net.ar
serial: 2230421053
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 21600

Servidor de Correo
host: mercantilbanco.com
class: IN
ttl: 3600
type: MX
pri: 20
target: mail1.mercantilbanco.com

Servidor de Correo
host: mercantilbanco.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mercantilbanco-com.mail.protection.outlook.com

Servidor de Correo
host: mercantilbanco.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.mercantilbanco.com

Información TXT
host: mercantilbanco.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:200.3.1.137 ip4:200.3.1.138 include:_spf.email-platform.com include:spf.protection.outlook.com -all
entries: Array

Información TXT
host: mercantilbanco.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms95040773
entries: Array

Información TXT
host: mercantilbanco.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms97816392
entries: Array