Registro DMARC
v=DMARC1; p=none; pct=100; rua=mailto:dmarc@im-engineering.com

Registro IPv4
host: im-engineering.com
class: IN
ttl: 2370
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: im-engineering.com
class: IN
ttl: 7200
type: SOA
mname: NS31.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 126090817
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: im-engineering.com
class: IN
ttl: 3600
type: MX
pri: 0
target: imengineering-com0e.mail.protection.outlook.com

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