it ("404") is a domain controlled by six nameservers. All of them are on different IP networks. dns.it, nic.it, pd.cnr.it, lonfil.it, ba.cnr.it and at least 33 other hosts share nameservers with this domain. sia.it, anm.it, its.it, dns.it, uli.it and at least 100 other hosts are subdomains to this hostname.