Registro DMARC
v=DMARC1; p=none; rua=mailto:admin@thuonghieu.net; ruf=mailto:admin@thuonghieu.net; sp=quarantine; adkim=r; aspf=r; pct=50

Registro IPv4
host: thuonghieu.net
class: IN
ttl: 300
type: A
ip: 49.13.88.52

Servidores DNS Principal (mname) y Secundario (rname)
host: thuonghieu.net
class: IN
ttl: 1800
type: SOA
mname: anna.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2357469415
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: thuonghieu.net
class: IN
ttl: 300
type: MX
pri: 50
target: mx3.zoho.com

Servidor de Correo
host: thuonghieu.net
class: IN
ttl: 300
type: MX
pri: 10
target: mx.zoho.com

Servidor de Correo
host: thuonghieu.net
class: IN
ttl: 300
type: MX
pri: 20
target: mx2.zoho.com

Información TXT
host: thuonghieu.net
class: IN
ttl: 300
type: TXT
txt: zoho-verification=zb40727394.zmverify.zoho.com
entries: Array

Información TXT
host: thuonghieu.net
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:zoho.com ~all
entries: Array