canna.6x.to has two IP numbers. They are on different IP networks. 6x.to, c4.to, ns.6x.to, ns2.6x.to, dbz.6x.to and at least 51 other hosts point to the same IP. 2a.canna.6x.to and www.canna.6x.to are subdomains to this hostname. 6x.to is a domain controlled by two nameservers at 6x.to themselves. They are on different IP networks. Incoming mail for 6x.to is handled by one mailserver also at 6x.to. 6x.to has one IP number. canna.6x.to is hosted on two servers in Netherlands even though the hostname implies Tonga.