Registro DMARC
v=spf1 ip4:58.227.192.90~all

Registro IPv4
host: cseco.kr
class: IN
ttl: 1800
type: A
ip: 210.114.6.140

Servidores DNS Principal (mname) y Secundario (rname)
host: cseco.kr
class: IN
ttl: 1800
type: SOA
mname: cseco.kr
rname: postmaster.cseco.kr
serial: 20200910
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

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

Información TXT
host: cseco.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:58.227.192.90~all
entries: Array