mx.itl.ua is a domain controlled by two nameservers at itl.net.ua. They are on the same IP network. itl.ua, eddi.ru, xiit.ua, nsua.net, simon.ua and at least 71 other hosts share nameservers with this domain. mx1.mx.itl.ua, mx2.mx.itl.ua and mx0.mx.itl.ua are subdomains to this hostname. itl.ua is a domain controlled by three nameservers. Two of them are on the same IP network. Incoming mail for itl.ua is handled by one mailserver at mx.itl.ua. itl.ua has one IP number , but no corresponding reverse pointer.