Registro DMARC
v=spf1 ip4:183.111.182.229 ~all

Registro IPv4
host: sm-system.kr
class: IN
ttl: 1800
type: A
ip: 183.111.182.229

Servidores DNS Principal (mname) y Secundario (rname)
host: sm-system.kr
class: IN
ttl: 1800
type: SOA
mname: sm-system.kr
rname: postmaster.sm-system.kr
serial: 20210929
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: sm-system.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: uws64-242.cafe24.com

Información TXT
host: sm-system.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:183.111.182.229 ~all
entries: Array