ns01.tvd.jp has one IP number , but the reverse is ns1.us.editdns.net. ns1.rap.ug, ns2.cdt.pl, ns2.8ga.net, ns1.0ri.org, ns1.gouw.nu and at least 86 other hosts point to the same IP. despx.com use this as a nameserver. tvd.jp is a domain controlled by five nameservers. There are two duplicated IP numbers. All of them are on the same IP network. tvd.jp has one IP number. ns01.tvd.jp is hosted on a server in United States even though the hostname implies Japan.