chat.zipsurvey.cn has two IP numbers. They are on different IP networks. 97xi.com, mgolf.cn, mmoo.net, 65au.com, luoti.net and at least 100 other hosts point to the same IP. zipsurvey.cn is delegated to two nameservers, however both delegated nameservers are missing in the zone. All nameservers are at 66.cn. They are on the same IP network. zipsurvey.cn has one IP number.