Registro DMARC
v=spf1 ip4:218.145.65.249 ~all

Registro IPv4
host: shinhwametal.co.kr
class: IN
ttl: 1521
type: A
ip: 183.110.224.172

Servidores DNS Principal (mname) y Secundario (rname)
host: shinhwametal.co.kr
class: IN
ttl: 1800
type: SOA
mname: shinhwametal.co.kr
rname: postmaster.shinhwametal.co.kr
serial: 20180810
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: shinhwametal.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: rmw-001.fmcity.com

Información TXT
host: shinhwametal.co.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:218.145.65.249 ~all
entries: Array