Registro DMARC
v=DMARC1; p=quarantine; pct=10; rua=mailto:admin@dtoperating.com

Registro IPv4
host: dtoperating.com
class: IN
ttl: 300
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: dtoperating.com
class: IN
ttl: 1800
type: SOA
mname: darl.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2353206506
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

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

Información TXT
host: dtoperating.com
class: IN
ttl: 300
type: TXT
txt: duo_sso_verification=1vmX5GwYNOO3cGNCmkNzqGwy3CvPOE0h3yhgP4F3pVIUmNiBIVVc9gg4IZUHee4e
entries: Array

Información TXT
host: dtoperating.com
class: IN
ttl: 300
type: TXT
txt: MS=ms28184719
entries: Array

Información TXT
host: dtoperating.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array