pk ("404") is a domain controlled by four nameservers. Two of them are on the same IP network. ac.ir, nic.ir, u4u.com, partan.com, urdu4you.com and at least 39 other hosts share nameservers with this domain. pk.pk, web.pk, nic.pk, gop.pk, rim.pk and at least 100 other hosts are subdomains to this hostname.