Registro DMARC
v=DMARC1; p=quarantine

Registro IPv4
host: arbd.com
class: IN
ttl: 900
type: A
ip: 23.235.211.79

Servidores DNS Principal (mname) y Secundario (rname)
host: arbd.com
class: IN
ttl: 7200
type: SOA
mname: NS39.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 126062911
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: arbd.com
class: IN
ttl: 3600
type: MX
pri: 20
target: arbd-com.mx2.arsmtp.com

Servidor de Correo
host: arbd.com
class: IN
ttl: 3600
type: MX
pri: 10
target: arbd-com.mx1.arsmtp.com

Información TXT
host: arbd.com
class: IN
ttl: 900
type: TXT
txt: MS=ms27926497
entries: 

Información TXT
host: arbd.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 mx ip4:74.94.178.49 ip4:23.235.211.79 include:spf.protection.outlook.com -all
entries: 

Información TXT
host: arbd.com
class: IN
ttl: 900
type: TXT
txt: duo_sso_verification=pNVPwP9oEcBHoaGd8a5r3cFecpw99axkgwWqkaogWqsmfiDgEhHCw5VS9JhUhvy5
entries: