Registro DMARC
v=spf1 mx include:spf.ecount.com ~all

Registro IPv4
host: dong-joo.co.kr
class: IN
ttl: 1800
type: A
ip: 203.245.24.5

Servidores DNS Principal (mname) y Secundario (rname)
host: dong-joo.co.kr
class: IN
ttl: 1800
type: SOA
mname: dong-joo.co.kr
rname: postmaster.dong-joo.co.kr
serial: 20190411
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: dong-joo.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: wmx.ecount.com

Información TXT
host: dong-joo.co.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 mx include:spf.ecount.com ~all
entries: Array