Registro DMARC
v=DMARC1; p=reject; ruf=mailto:postmaster@bfuinc.com;

Registro IPv4
host: bfuinc.com
class: IN
ttl: 3600
type: A
ip: 74.208.236.201

Servidores DNS Principal (mname) y Secundario (rname)
host: bfuinc.com
class: IN
ttl: 86400
type: SOA
mname: ns-us.1and1-dns.com
rname: hostmaster.1and1.com
serial: 2018020312
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

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

Información TXT
host: bfuinc.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:email-od.com include:spf.protection.outlook.com ~all
entries: Array