Registro DMARC
v=spf1 ip4:121.254.193.0/24 ip4:211.234.105.0/24 ~all

Registro IPv4
host: hankookeng.co.kr
class: IN
ttl: 1800
type: A
ip: 203.245.24.30

Servidores DNS Principal (mname) y Secundario (rname)
host: hankookeng.co.kr
class: IN
ttl: 1800
type: SOA
mname: hankookeng.co.kr
rname: postmaster.hankookeng.co.kr
serial: 20220318
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: hankookeng.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: zmail.hankookeng.co.kr

Servidor de Correo
host: hankookeng.co.kr
class: IN
ttl: 1800
type: MX
pri: 5
target: smtp.hankookeng.co.kr

Información TXT
host: hankookeng.co.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:121.254.193.0/24 ip4:211.234.105.0/24 ~all
entries: Array