Registro DMARC
v=DMARC1; p=none; rua=mailto:collins@321study.com; ruf=mailto:collins@321study.com; sp=none; adkim=r; aspf=r

Registro IPv4
host: 321study.com
class: IN
ttl: 90
type: A
ip: 18.169.13.56

Servidores DNS Principal (mname) y Secundario (rname)
host: 321study.com
class: IN
ttl: 900
type: SOA
mname: ns-1896.awsdns-45.co.uk
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: 321study.com
class: IN
ttl: 90
type: MX
pri: 50
target: mx3.zoho.com

Servidor de Correo
host: 321study.com
class: IN
ttl: 90
type: MX
pri: 10
target: mx.zoho.com

Servidor de Correo
host: 321study.com
class: IN
ttl: 90
type: MX
pri: 20
target: mx2.zoho.com

Información TXT
host: 321study.com
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:zoho.com ~all
entries: Array

Información TXT
host: 321study.com
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:zcsend.net ~all
entries: Array

Información TXT
host: 321study.com
class: IN
ttl: 90
type: TXT
txt: facebook-domain-verification=q3o8mmw7c5mv25bnqjfdjr5kps0lhm
entries: Array

Información TXT
host: 321study.com
class: IN
ttl: 90
type: TXT
txt: zoho-verification=zb05957556.zmverify.zoho.com
entries: Array