Registro DMARC
v=spf1 ip4:183.111.199.190 ~all

Registro IPv4
host: duksung.net
class: IN
ttl: 1800
type: A
ip: 183.111.199.190

Servidores DNS Principal (mname) y Secundario (rname)
host: duksung.net
class: IN
ttl: 1800
type: SOA
mname: duksung.net
rname: postmaster.duksung.net
serial: 20180416
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: duksung.net
class: IN
ttl: 1800
type: MX
pri: 10
target: mw-002.cafe24.com

Información TXT
host: duksung.net
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:183.111.199.190 ~all
entries: Array