Registro DMARC
v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:dmarc@cadtec.com.br;ruf=mailto:dmarc@cadtec.com.br

Registro IPv4
host: cadtec.com.br
class: IN
ttl: 14400
type: A
ip: 108.179.252.169

Servidores DNS Principal (mname) y Secundario (rname)
host: cadtec.com.br
class: IN
ttl: 86400
type: SOA
mname: ns534.hostgator.com.br
rname: root.br534.hostgator.com.br
serial: 2024052303
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: cadtec.com.br
class: IN
ttl: 14400
type: MX
pri: 0
target: mail.cadtec.com.br

Información TXT
host: cadtec.com.br
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf.rdstation.com.br include:sendgrid.net ~all
entries: Array

Información TXT
host: cadtec.com.br
class: IN
ttl: 3600
type: TXT
txt: v=spf1 +ip4:108.179.252.165 +include:_spf.octadesk.com ?all
entries: Array