Registro DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

Registro IPv4
host: teleco.com.br
class: IN
ttl: 600
type: A
ip: 160.153.188.138

Servidores DNS Principal (mname) y Secundario (rname)
host: teleco.com.br
class: IN
ttl: 3600
type: SOA
mname: ns37.domaincontrol.com
rname: dns.jomax.net
serial: 2026031003
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

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

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