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

Registro IPv4
host: ruruan.co.kr
class: IN
ttl: 1800
type: A
ip: 183.111.138.227

Servidores DNS Principal (mname) y Secundario (rname)
host: ruruan.co.kr
class: IN
ttl: 1800
type: SOA
mname: ruruan.co.kr
rname: postmaster.ruruan.co.kr
serial: 20211026
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: ruruan.co.kr
class: IN
ttl: 1800
type: MX
pri: 9
target: wmx.ecounterp.com

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