Incoming mail for s5.ans1.ns109.ztomy.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, albeu.net and at least 100 other hosts share mailservers with this domain. sk.s5.ans1.ns109.ztomy.com are subdomains to this hostname. Incoming mail for ans1.ns109.ztomy.com is handled by one mailserver having a total of two IP numbers. They are on different IP networks.