Registro IPv4
host: rentec.co.kr
class: IN
ttl: 3600
type: A
ip: 115.68.95.118

Servidores DNS Principal (mname) y Secundario (rname)
host: rentec.co.kr
class: IN
ttl: 3600
type: SOA
mname: ns1.rentec.co.kr
rname: root.rentec.co.kr
serial: 2019052012
refresh: 1200
retry: 120
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: rentec.co.kr
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.rentec.co.kr