Registro IPv4
host: itcoresystem.com
class: IN
ttl: 14400
type: A
ip: 103.163.138.39

Servidores DNS Principal (mname) y Secundario (rname)
host: itcoresystem.com
class: IN
ttl: 86400
type: SOA
mname: ns.jagoanhosting.com
rname: admin.jagoanhosting.com
serial: 2025070201
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: itcoresystem.com
class: IN
ttl: 14400
type: MX
pri: 0
target: itcoresystem.com