Summary
*.c4.to has one IP number , which is the same as for
c4.to.
h3.to,
6x.to,
c4.to,
ns.6x.to,
ehs.6x.to and at least 86 other hosts point to the same IP.
c4.to is a domain controlled by two nameservers at
6x.to. They are on different IP networks. Incoming mail for
c4.to is handled by one mailserver also at
6x.to.
*.c4.to is hosted on a server in Netherlands even though the hostname implies Tonga.