http://www.intodns.com/hostiran.net
Nameserver records returned by the parent servers are:

dns0.hostiran.net. ['205.234.154.1'] [TTL=172800]
dns1.hostiran.net. ['208.80.124.2'] [TTL=172800]
dns2.hostiran.net. ['208.80.126.2'] [TTL=172800]
dns3.hostiran.net. ['208.80.125.2'] [TTL=172800]
dns4.hostiran.net. ['208.80.127.2'] [TTL=172800
موفق باشید