ct.cnr.it is a domain controlled by two nameservers on different IP networks. w3c.it, nic.it, xml.it, ccr.it, mi.cnr.it and at least 56 other hosts share nameservers with this domain. area.ct.cnr.it and ictmp.ct.cnr.it are subdomains to this hostname. cnr.it is a domain controlled by three nameservers. Two of them are on the same IP network. Incoming mail for cnr.it is handled by one mailserver at cnr.it themselves.