Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: greystoneinvest.com
class: IN
ttl: 10800
type: A
ip: 132.148.74.135

Servidores DNS Principal (mname) y Secundario (rname)
host: greystoneinvest.com
class: IN
ttl: 3600
type: SOA
mname: ns57.domaincontrol.com
rname: dns.jomax.net
serial: 2025061701
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

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

Información TXT
host: greystoneinvest.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com include:spf.smarsh.com include:secureserver.net ~all
entries: Array

Información TXT
host: greystoneinvest.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms26519172
entries: Array