infographie.ca.edu has two IP numbers. They are on different IP networks. This hostname cnames to wf.zoneedit.com. hvm.be, gbox.us, azri.biz, zeron.ca, armga.org and at least 100 other hosts point to the same IP. ca.edu is a domain controlled by two nameservers at zoneedit.com. They are on different IP networks. Incoming mail for ca.edu is handled by two mailservers on different IP networks. ca.edu has two IP numbers. They are on different IP networks.