ns1.cwjamaica.com has two IP numbers. They are on the same IP network. icwi.net, gkco.com, kctjm.com, jppc1.com, cwjcu.com and at least 100 other hosts use this as a nameserver. cwjamaica.com is a domain controlled by three nameservers at savvis.net having a total of four IP numbers. Some of them are on the same IP network. Incoming mail for cwjamaica.com is handled by four mailservers at cwjamaica.com themselves. All of them are on the same IP network. ns1.cwjamaica.com is hosted on two servers in Jamaica.