shaw.webmail.ca has one IP number , which is the same as for webmail.ca, via cname , but the reverse is forwarding.baremetal.com. us.ca, ez.ca, ctt.ca, fho.ca, has.ca and at least 100 other hosts point to the same IP. webmail.ca is delegated to three nameservers, however three extra nameservers are listed in the zone. There are three duplicated IP numbers. Some of them are on the same IP network. Incoming mail for webmail.ca is handled by two mailservers on different IP networks. shaw.webmail.ca is hosted on a server in Canada.