Registro DMARC
v=spf1 include:spf.onnet21.com ~all

Registro IPv4
host: samsunal.co.kr
class: IN
ttl: 1800
type: A
ip: 183.111.174.80

Servidores DNS Principal (mname) y Secundario (rname)
host: samsunal.co.kr
class: IN
ttl: 1800
type: SOA
mname: samsunal.co.kr
rname: postmaster.samsunal.co.kr
serial: 20230331
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: samsunal.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: rmw-002.fmcity.com

Servidor de Correo
host: samsunal.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: gw-spam.mailwood.com

Información TXT
host: samsunal.co.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:spf.onnet21.com ~all
entries: Array