Registro DMARC
v=spf1 ip4:183.111.174.33 ~all

Registro IPv4
host: hcedu.kr
class: IN
ttl: 1314
type: A
ip: 211.41.79.116

Servidores DNS Principal (mname) y Secundario (rname)
host: hcedu.kr
class: IN
ttl: 1317
type: SOA
mname: hcedu.kr
rname: postmaster.hcedu.kr
serial: 20140112
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: hcedu.kr
class: IN
ttl: 1316
type: MX
pri: 10
target: uws64-148.cafe24.com

Información TXT
host: hcedu.kr
class: IN
ttl: 1318
type: TXT
txt: v=spf1 ip4:183.111.174.33 ~all
entries: v=spf1 ip4:183.111.174.33 ~all