The IPv. $4$ address of Registered Authoritative DNS Server for the $"$

iku.edu.tr$."$ domain i

The FQDN of Registered Authoritative DNS Server for the $"$

iku.edu.tr$."$ domain is

The number of Root$-$servers located in Turkey is

The IPv. $4$ address of the $"$d$"$ Root$-$server located in Istanbul is

The FQDN of the $"$d$"$ Root$-$server located in Istanbul is