Registro IPv4
host: city.kr
class: IN
ttl: 180
type: A
ip: 218.145.31.243

Servidores DNS Principal (mname) y Secundario (rname)
host: city.kr
class: IN
ttl: 180
type: SOA
mname: ns1.hosting.co.kr
rname: admin.city.kr
serial: 18
refresh: 21600
retry: 1800
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: city.kr
class: IN
ttl: 180
type: MX
pri: 20
target: ALT.ASPMX.daum.net

Servidor de Correo
host: city.kr
class: IN
ttl: 180
type: MX
pri: 10
target: ASPMX.daum.net