Registro DMARC
v=spf1 ip4:203.245.44.47 ~all

Registro IPv4
host: gsnsystems.co.kr
class: IN
ttl: 1800
type: A
ip: 203.245.44.47

Servidores DNS Principal (mname) y Secundario (rname)
host: gsnsystems.co.kr
class: IN
ttl: 1800
type: SOA
mname: gsnsystems.co.kr
rname: postmaster.gsnsystems.co.kr
serial: 20200204
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: gsnsystems.co.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: ALT3.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: gsnsystems.co.kr
class: IN
ttl: 1800
type: MX
pri: 1
target: ASPMX.L.GOOGLE.COM

Servidor de Correo
host: gsnsystems.co.kr
class: IN
ttl: 1800
type: MX
pri: 6
target: ALT2.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: gsnsystems.co.kr
class: IN
ttl: 1800
type: MX
pri: 5
target: ALT1.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: gsnsystems.co.kr
class: IN
ttl: 1800
type: MX
pri: 11
target: ALT4.ASPMX.L.GOOGLE.COM

Información TXT
host: gsnsystems.co.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:203.245.44.47 ~all
entries: Array