Registro IPv4
host: cn-vietnam.com
class: IN
ttl: 600
type: A
ip: 108.186.88.25

Servidores DNS Principal (mname) y Secundario (rname)
host: cn-vietnam.com
class: IN
ttl: 3600
type: SOA
mname: ns1.domainnamedns.com
rname: support.namens.net
serial: 1721537730
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 180