Registro IPv4
host: gasmartcity.com
class: IN
ttl: 21600
type: A
ip: 43.242.214.140

Servidores DNS Principal (mname) y Secundario (rname)
host: gasmartcity.com
class: IN
ttl: 21600
type: SOA
mname: ns4.ctrls.in
rname: hostmaster.ctrls.in
serial: 2018071200
refresh: 28800
retry: 7200
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: gasmartcity.com
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.gasmartcity.com