su ("404") is a domain controlled by five nameservers. All of them are on different IP networks. blossomcomm.com.tw use this as a nameserver. ru, pp.ru, zx.ru, nic.ru, org.ru and at least 27 other hosts share nameservers with this domain. tit.su, cis.su, abs.su, eos.su, nts.su and at least 100 other hosts are subdomains to this hostname.