Registro IPv4
host: ferrovit.com.vn
class: IN
ttl: 1253
type: A
ip: 103.216.113.30

Servidores DNS Principal (mname) y Secundario (rname)
host: ferrovit.com.vn
class: IN
ttl: 3600
type: SOA
mname: ns-a5.cloudnetvn.com
rname: postmaster.example.org
serial: 1658116964
refresh: 3600
retry: 600
expire: 86400
minimum-ttl: 3600