Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: grupoisn.com
class: IN
ttl: 3600
type: A
ip: 188.95.113.122

Servidores DNS Principal (mname) y Secundario (rname)
host: grupoisn.com
class: IN
ttl: 3600
type: SOA
mname: dns5.servidoresdns.net
rname: hostmaster.servidoresdns.net
serial: 2024020738
refresh: 21600
retry: 3600
expire: 2419200
minimum-ttl: 60

Servidor de Correo
host: grupoisn.com
class: IN
ttl: 3600
type: MX
pri: 10
target: grupoisn-com.mail.protection.outlook.com

Información TXT
host: grupoisn.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array