Registro DMARC
v=spf1 ip4:222.122.84.9 ~all

Registro IPv4
host: trsystem.co.kr
class: IN
ttl: 1800
type: A
ip: 183.111.174.68

Servidores DNS Principal (mname) y Secundario (rname)
host: trsystem.co.kr
class: IN
ttl: 1800
type: SOA
mname: trsystem.co.kr
rname: postmaster.trsystem.co.kr
serial: 20110216
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: trsystem.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: aspmx1.naver.com

Servidor de Correo
host: trsystem.co.kr
class: IN
ttl: 1800
type: MX
pri: 20
target: aspmx2.naver.com

Información TXT
host: trsystem.co.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:222.122.84.9 ~all
entries: Array