mail.bmts.com has one IP number , which also has a corresponding reverse pointer. dvh.ca, caoa.ca, osfs.ca, topbid.ca, proven.com and at least 65 other hosts use this as a mailserver. bmts.com is a domain controlled by three nameservers at bmts.com themselves. Two of them are on the same IP network. Incoming mail for bmts.com is handled by four mailservers. All of them are on the same IP network. bmts.com has one IP number. mail.bmts.com is hosted on a server in Canada.