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

Registro IPv4
host: eionia.co.kr
class: IN
ttl: 1800
type: A
ip: 183.111.242.13

Servidores DNS Principal (mname) y Secundario (rname)
host: eionia.co.kr
class: IN
ttl: 1800
type: SOA
mname: eionia.co.kr
rname: postmaster.eionia.co.kr
serial: 20220223
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: eionia.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: ps-aspmx1.kakaowork.com

Servidor de Correo
host: eionia.co.kr
class: IN
ttl: 1800
type: MX
pri: 30
target: mail.eionia.co.kr

Servidor de Correo
host: eionia.co.kr
class: IN
ttl: 1800
type: MX
pri: 20
target: ps-aspmx2.kakaowork.com

Información TXT
host: eionia.co.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:spf.kakaowork.com ~all
entries: Array