Registro DMARC
v=DMARC1; p=reject; rua=mailto:csynr7mr@ag.dmarcian.com; ruf=mailto:csynr7mr@fr.dmarcian.com; fo=1

Registro IPv4
host: hoffmanonline.com
class: IN
ttl: 300
type: A
ip: 204.74.99.103

Servidores DNS Principal (mname) y Secundario (rname)
host: hoffmanonline.com
class: IN
ttl: 14400
type: SOA
mname: udns1.cscdns.net
rname: hostmaster.cscdns.net
serial: 2019101127
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 14400

Servidor de Correo
host: hoffmanonline.com
class: IN
ttl: 2039
type: MX
pri: 0
target: hoffmanonline-com.mail.protection.outlook.com

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

Información TXT
host: hoffmanonline.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms51121206
entries: Array