Registro DMARC
v=spf1 a:mail.simpsonorg.com mx:a:mail.simpsonorg.com ip4:12.205.138.138 ~all

Registro IPv4
host: simpsonorg.com
class: IN
ttl: 300
type: A
ip: 104.21.36.223

Registro IPv4
host: simpsonorg.com
class: IN
ttl: 300
type: A
ip: 172.67.200.5

Servidores DNS Principal (mname) y Secundario (rname)
host: simpsonorg.com
class: IN
ttl: 1800
type: SOA
mname: kurt.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2415152203
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: simpsonorg.com
class: IN
ttl: 300
type: MX
pri: 0
target: simpsonorg-com.mail.protection.outlook.com

Información TXT
host: simpsonorg.com
class: IN
ttl: 300
type: TXT
txt: fvz8t6dhwqdgzmjpdmzs74np4flw0bgm
entries: Array

Información TXT
host: simpsonorg.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ip4:12.205.138.138 include:spf.protection.outlook.com ~all
entries: Array