ns5.yak.com has one IP number , which also has a corresponding reverse pointer. yak.ca, yak.com, argos.ca, 450tel.ca, shamba.ca and at least 98 other hosts use this as a nameserver. yak.com is a domain controlled by two nameservers at yak.com themselves. They are on the same IP network. Incoming mail for yak.com is handled by three mailservers at com.inbound30.mxlogicmx.net having a total of four IP numbers. Two mailservers have the same IP number. All of them are on the same IP network. yak.com has one IP number. ns5.yak.com is hosted on a server in Canada.