Registro IPv4
host: dlfile20.ir
class: IN
ttl: 120
type: A
ip: 168.119.136.251

Servidores DNS Principal (mname) y Secundario (rname)
host: dlfile20.ir
class: IN
ttl: 300
type: SOA
mname: d.ns.arvancdn.ir
rname: hostmaster.arvancloud.ir
serial: 1769961568
refresh: 86400
retry: 7200
expire: 604800
minimum-ttl: 7200