Incoming mail for 104.cnomy.com is handled by one mailserver having a total of two IP numbers. They are on different IP networks. coa.ca, qrq.com, koral.com, jesup.net, ner2r.net and at least 100 other hosts share mailservers with this domain. ns.104.cnomy.com are subdomains to this hostname. cnomy.com is a domain controlled by two nameservers at cnomy.com themselves. They are on different IP networks. cnomy.com has one IP number.