Registro IPv4
host: dlfile20.ir
class: IN
ttl: 120
type: A
ip: 185.235.245.49

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: 1783217005
refresh: 86400
retry: 7200
expire: 604800
minimum-ttl: 7200