Registro IPv4
host: upna.ir
class: IN
ttl: 1800
type: A
ip: 87.107.34.185

Servidores DNS Principal (mname) y Secundario (rname)
host: upna.ir
class: IN
ttl: 3600
type: SOA
mname: ns2.pnu.ac.ir
rname: netadmin.pnu.ac.ir
serial: 26
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600