Summary
*.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 52 other hosts point to the same IP.
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.
*.6x.to is hosted on two servers in Netherlands even though the hostname implies Tonga.