ns2.yemao.com has one IP number. 2020.cc, jqw.com, 53p.net, 5076.com, 2260.com and at least 100 other hosts point to the same IP. yemao.com is delegated to two nameservers, however both delegated nameservers are missing in the zone. All nameservers are at dns-diy.com. They are on different IP networks. Incoming mail for yemao.com is handled by two mailservers also at dns-diy.com. They are on different IP networks. yemao.com has one IP number. ns2.yemao.com is hosted on a server in China.