Registro IPv4
host: topcns.com
class: IN
ttl: 83440
type: A
ip: 115.68.168.152

Servidores DNS Principal (mname) y Secundario (rname)
host: topcns.com
class: IN
ttl: 83441
type: SOA
mname: ns1.iwinv.kr
rname: root.iwinv.kr
serial: 2022122307
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: topcns.com
class: IN
ttl: 83442
type: MX
pri: 10
target: kr1-aspmx1.worksmobile.com

Servidor de Correo
host: topcns.com
class: IN
ttl: 83442
type: MX
pri: 20
target: kr1-aspmx2.worksmobile.com