Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@smtp.mailtrap.live; ruf=mailto:dmarc@smtp.mailtrap.live; rf=afrf; pct=100

Registro IPv4
host: bitslocker.com
class: IN
ttl: 600
type: A
ip: 198.12.66.125

Servidores DNS Principal (mname) y Secundario (rname)
host: bitslocker.com
class: IN
ttl: 21600
type: SOA
mname: dm1.ourdns.site.bitslocker.com
rname: admin.bitslocker.com
serial: 2025040301
refresh: 7200
retry: 3600
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: bitslocker.com
class: IN
ttl: 600
type: MX
pri: 10
target: mail.bitslocker.com

Información TXT
host: bitslocker.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:135.181.226.231 include:_spf.smtp.mailtrap.live ~all
entries: Array