Registro DMARC
v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf3.mailnara.co.kr include:_spf4.mailnara.co.kr include:_spf5.mailnara.co.kr ~all

Registro IPv4
host: unison21.net
class: IN
ttl: 1800
type: A
ip: 183.111.174.68

Servidores DNS Principal (mname) y Secundario (rname)
host: unison21.net
class: IN
ttl: 1800
type: SOA
mname: unison21.net
rname: postmaster.unison21.net
serial: 20190805
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: unison21.net
class: IN
ttl: 1800
type: MX
pri: 10
target: mail.unison21.net

Información TXT
host: unison21.net
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf3.mailnara.co.kr include:_spf4.mailnara.co.kr include:_spf5.mailnara.co.kr ~all
entries: Array