dns1.ibsys.com has one IP number. wsns.net, wscv.net, wtae.com, ksbw.com, wkmg.com and at least 100 other hosts use this as a nameserver. ibsys.com is a domain controlled by two nameservers at ibsys.com themselves. They are on different IP networks. Incoming mail for ibsys.com is handled by two mailservers having a total of four IP numbers. There are two duplicated IP numbers. Some of them are on the same IP network. ibsys.com has one IP number. dns1.ibsys.com is hosted on a server in United States.